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Biology, Geography & Health: Chapter 2175

Chapter 2175 provides bibliographic information on scholary research in the basic and applied life, earth and health sciences.

Redente, Ef; Biondini, Me; Moore, Jc, 1989: Observations on biomass dynamics of a crested wheatgrass and native shortgrass ecosystem in southern Wyoming

Pal, T. K., 1989: Observations on bionomics of Aedes albopictus (Skuse) (Diptera: Culicidae) in Calcutta area, West Bengal

Yu, J. H.; He, C. N.; Wang, S. N., 1990: Observations on bionomics of Dioryctria schutazeella

Ismanto, A., 1989: Observations on birds in Rawa Jombor, central Java

Maiseli, N. G. M., 1988: Observations on bovine cysticercosis at the Dodoma and Mpwapwa abattoirs, Tanzania

Symonds, H., 1990: Observations on bovine spongiform encephalopathy

Stoetzel, MB.; Russel, LM., 1991: Observations on brood X of periodical cicadas: 1987-1990 (Homoptera: Cicadidae)

Reinhardt, R., 1989: Observations on butterflies in Hungary (Lep.)

Maingi, N., 1991: Observations on changes in resistance to levamisole in Haemonchus contortus after passage in sheep and calves

Pipkin, F. B.; Ousey, J. C.; Rossdale, P. D., 1991: Observations on changing renal function in the newborn pony foal

Adomako, D.; Frimpong, E. B.; Ampofo, S. T.; Brew, K. M., 1990: Observations on cocoa flushing in Ghana under different shade regimes, with particular reference to the distribution of natural light

Jackwood, Mw; Hilt, Da; Dunn, Pa, 1991: Observations on colonial phenotypic variation in Bordetella avium

Bayce, D.; Puerto, O. del, 1989: Observations on controlling clumps of Eupatorium buniifolium by means of grazing and burning

Sapre, M. V., 1991: Observations on crossbreeding programmes

Bird, AF.; McClure, SG.; Nicholas, WL., 1991: Observations on crystalloid bodies in the pseudocoelom of Eutobrilus heptapapillatus

Costa, E. C.; Moura, J. B. de; Marques, E. N., 1988: Observations on cut wood maintained in the forest ecosystem

Warwick, C., 1991: Observations on disease-associated preferred body temperatures in reptiles

Verma A.K.; Pandit R.K.; Porwal M.L., 1990: Observations on effect of sex and type of kidding on gestation length and birth weight in goats

Zumbach, S.; Kipfer, H.; Lups, P.; Pfister, K., 1991: Observations on endoparasite infections of ibex (Capra i. ibex) in the Bernese Oberland (Switzerland)

Rodger, H. D.; Drinan, E. M.; Murphy, T. M.; Lunder, T., 1991: Observations on erythrocytic inclusion body syndrome in Ireland

Bond, R. S., 1989: Observations on family selection in the Mount Edgecombe sugarcane breeding programme

Zhang, Y. Q. et al., 1990: Observations on fast-ELISA by naked eye using TMBS substrate in the diagnosis of paragonimiasis

Wan, B. H.; Deng, Y. B., 1990: Observations on fertility changes in the Hubei photoperiod-sensitive genic male sterile rice Nongken 58S (Oryza sativa L. subsp. japonica)

Morii, T.; Fukuda, M., 1992: Observations on first-generation schizogony of Leucocytozoon caulleryi in chickens

Roche, E. A.; Roseler, B. J. E.; Mason, K. V.; Belford, C., 1991: Observations on five cases of canine hypothyroidism

Firoza, K.; Maqbool, MA., 1992: Observations on five known species of spiral nematodes from Pakistan

Craige, J. E., 1989: Observations on flea bite allergic dermatitis

Viti, R.; Monteleone, P., 1991: Observations on flower bud growth in some low yield varieties of apricot

Hrasko, I.; Bujdoso, G., 1989: Observations on flowering habit and seed yield of petaloid type male-sterile carrots

Beniwal, B. S.; Singh, N. B., 1989: Observations on flowering, fruiting and germination behaviours of some useful forest plants of Arunachal Pradesh

Stanback, M. T., 1989: Observations on food habitats and social organization of acorn woodpeckers in Costa Rica

Jagannath, M. S.; D' Souza, P. E.; Rahman, S. A., 1989: Observations on gastrointestinal parasitism in dairy cattle and buffaloes in Bangalore and Kolar Districts of Karnataka State

Toutain, B.; Veillon, J. M., 1990: Observations on grasses of the genus Themeda in New Caledonia

Coenen, M.; Kienzle, E., 1992: Observations on hygienic quality of horse feed in veterinary nutrition advice

Ramirez Rovelo, A.; Gutierrez Martinez, A.; Rojas, J. C.; Malo, E. A., 1990: Observations on in vitro feeding of Triatoma mazzottii Usinger (Hemiptera: Reduviidae)

Gao, X. B.; Cheng, H. R., 1992: Observations on infections of Pratylenchus scribneri in maize roots

Vovlas, C.; Gallitelli, D.; Franco, A. di, 1989: Observations on infections of pelargonium zonate spot virus in tomato

Siddiqi, N. A., 1987: Observations on initial spacing in a keora (Sonneratia apetala Buch.-Ham.) plantation along the coastal belt of Bangladesh

Yadav, A. S.; Khare, P. K., 1988: Observations on insect attack, leaf-fall and leafing period in teak

Ofuya, T. I., 1991: Observations on insect infestation and damage in cowpea (Vigna unguiculata) intercropped with tomato (Lycopersicon esculentum) in a rain forest area of Nigeria

Andreadis, TG., 1990: Observations on installment egg hatching in the brown saltmarsh mosquito, Aedes cantator

Lissemore, K. D.; Leslie, K. E.; McBride, B. W.; Burton, J. H.; Willan, A. R.; Bateman, K. G., 1991: Observations on intramammary infection and somatic cell counts in cows treated with recombinant bovine somatotropin

Waring, P., 1990: Observations on invertebrates collected up during wild flower seed harvesting in a hay meadow, with particular reference to the butterflies and moths

Debouck, D. G.; Castillo T, R.; Tohme, J. M., 1989: Observations on little-known Phaseolus germplasm of Ecuador

Filho, A. B.; Cruz, B. P. B.; Oliveira, D. A., 1988: Observations on lyophilized Baculovirus anticarsia in soyabean fields

Human, C.; Kotze, W. A. G.; Zwahlen, K. G.; Smit, L., 1990: Observations on micro-climate and the incidence and severity of bacterial canker on cherry trees

Estioko, R. V., 1990: Observations on migration of nematodes on sugarcane

Kaleta, E. F.; Tschimmel, S.; Kraus, S.; Rullof, R., 1990: Observations on natural Trichomonas infection in racing pigeons

Manickam, R.; Mohan, M.; Pillai, K. G. S.; Krishnamurti, C. R., 1990: Observations on nonsurgical recovery and transfer of embryos in crossbred cows

Sharma, G. K.; Khan, M. W., 1991: Observations on occurrence and identity of powdery mildew of cucurbits in Tamil Nadu

Bhume R.I.; Bhokre A.P.; Panchbhai V.S., 1992: Observations on ocular squamous cell carcinoma in cattle

Nanda, A. S.; Chauhan, F. S.; Sharma, R. D., 1991: Observations on oestrus, ovulation and progesterone profiles after clomiphene treatment in summer anoestrous buffaloes

Wooldridge, J.; Harris, R. E., 1991: Observations on orchard ridge systems

Gunn, H. M.; Wilson, B., 1991: Observations on outbreaks of respiratory disease in intensively housed feedlot cattle and climatic considerations

Wang, Q.; Xiong, X. Z.; Li, J. S., 1992: Observations on oviposition and feeding behaviour of Phytoecia rufiventris Gautier (Coleoptera: Cerambycidae)

Filho, A. B.; Silva, E. M. da, 1988: Observations on parasitism by Neodusmetia sangwani of Rhodesgrass scale (Antonina graminis)

Schmutterer, H., 1990: Observations on pests of Azadirachta indica and some species of Melia

Cunha e Silva, S. L.; Santos, A. C. V.; Inada, T., 1991: Observations on pigments in the Malpighian tubules of third-instar larvae of Cochliomyia macellaria (Fabr. 1775) and C. hominivorax (Coq., 1885) (Diptera, Calliphoridae)

Davino, M.; Areddia, R.; Polizzi, G.; Grimaldi, V., 1989: Observations on pitting in pepper fruit in Sicily

Jedreas, A., 1991: Observations on placental retention in cows from individual farms

Burgstaller, H.; Sturm, H., 1990: Observations on pollen and nectar collection by honeybee colonies during the flowering of safflower (Carthamus tinctorius) in Lower Austria

Zhou, J. T.; Wang, Z. H., 1990: Observations on pollen morphology of stone fruit species relating to taxonomy

Ma, R. W.; Zhao, Y. L.; Liu, J. S., 1988: Observations on poplar root rot caused by Tricholoma populinum

Horugel, K.; Nockler, M., 1990: Observations on porcine parvoviral infection in a breeding herd

Kilen, T. C., 1992: Observations on possible linkage between the Rps1 locus and pod wall color

Kroger, M., 1990: Observations on preservation

Hariharan, H.; Heaney, S.; Bryenton, J.; Daley, J., 1992: Observations on production of hemolysin, heat-labile enterotoxin and antimicrobial drug resistance among enterotoxigenic Escherichia coli from pigs

Cavazza, C., 1989: Observations on release of seed trees in coppice in Emilia-Romagna

Watson, T. G.; Hosking, B. C., 1989: Observations on resistance and 'self-cure' to nematode parasites exhibited by grazing lambs and Saanen kids

Faretra, F.; Tonno, A. P. di, 1991: Observations on sensitivity of grapevine cultivars to downy mildew in the environment of southern Italy

Gahlot N.; Bhatia J.S., 1989: Observations on serum phosphatases in camels

Steivenart, C., 1992: Observations on shell lip formation and reproduction in the giant African snail Archachatina marginata suturalis (Philippi)

Tabacchi, G.; Zanin, M., 1990: Observations on single tree height growth prediction models for conifers

Becher H.H., 1991: Observations on soil aggregates following measurements of penetration resistance

Lucci, S., 1987: Observations on soil damage due to skyline logging at Sila Piccola, Catanzaro, Italy

Hassan, M. A.; Taee, A. F.; Dauod, M. S., 1989: Observations on some ectoparasites of chicken in Mosul (Iraq)

Ray, S. K. D.; Kaiser, S. A. K. M., 1990: Observations on some elite genotypes (cultivars) of coconut palm for resistance to leaf blight (grey leaf spot) disease

Lai, Y. Q.; Wang, S. H., 1988: Observations on some general characteristics of the reproduction of Bracon greeni Ashmead (Braconidae, Hymenoptera)

Moravec, F.; Nagasawa, K., 1989: Observations on some nematodes parasitic in Japanese freshwater fishes

Moravec, F.; Scholz, T., 1991: Observations on some nematodes parasitic in freshwater fishes in Laos

Esquivel, M. H.; Camara, S. R., 1991: Observations on some production traits in criollo X Anglo-Nubian goats in Yucatan State

Elliott, G., 1990: Observations on some soil structural attributes in a degraded red-brown earth near Manilla NSW and their amelioration

Kurcman Przedpeska, B.; Grudniewska, B.; Bienias, B., 1989: Observations on sows over parturition period

Sowig, P.; Paulus, H. F., 1988: Observations on species composition and foraging strategy in bumble bee communities on comfrey (Symphytum officinale)

Kruger, K., 1990: Observations on spinal surgery for paralysed Dachshunds

Bhume R.I.; Bhokre A.P.; Panchbhai V.S., 1992: Observations on squamous cell carcinoma in bovines

Uppal, P. K.; Yadav M. P.; Manchanda, V. P., 1990: Observations on strangles and purpura haemorrhagica as a sequelae to equine influenza infection

Messina, R; Vischi, M; Marchetti, S; Testolin, R; Milani, N., 1990: Observations on subdioeciousness and fertilization in a kiwifruit breeding program

Gerard, P. J., 1992: Observations on superparasitism in a natural population of Centrodora scolypopae (Hymenoptera: Aphelinidae)

de Walsche, C.; Mertens, J.; Dumont, HJ., 1991: Observations on temperature optimum, cyst production, and survival of Streptocephalus proboscideus (Frauenfeld, 1873) (Crustacea: Anostraca), fed different diets

Chaithong, U.; Choochote, W.; Thitasut, P.; Pakdicharoen, A.; Siriprasert, V.; Sukontasan, K.; Somboon, P., 1991: Observations on the D/V ratio of male genitalia of Culex pipiens complex in 8 provinces of northern Thailand

Jackson, M. W., 1989: Observations on the Irish distribution of a plant with serious public health implications: giant hogweed (Heracleum mantegazzianum) Sommier and Levier

El-Azazy, OME., 1992: Observations on the New World screwworm fly in Libya and the risk of its entrance into Egypt

Cannata, L., 1988: Observations on the Opiliones of the peat bog of Cachot

Voisin, J. F., 1990: Observations on the Orthoptera of the Massif Central. 4. Chorthippus parallelus (Zetterstedt 1821) (Orth. Acrididae)

Shepherd, K., 1990: Observations on the Simmonds-Shepherd system of genomic classification of banana cultivars

Sacchetti, P., 1990: Observations on the activity and bioethology of the entomophagous insects of Prays oleae (Bern.) in Tuscany. II. Incidence of parasitoids

Sacchetti, P., 1990: Observations on the activity and bioethology of the natural enemies of Prays oleae (Bern.) in Tuscany. I. Predators

Shrestha, N. P.; Chemjong, P. B.; Neopane, S. P.; Shrestha, S. R.; Kshatri, B. B.; Rai, P. P., 1991: Observations on the adaptability of berseem as winter fodder in Koshi hill areas

Porcelli, S.; Morra, L.; Piano, L. del; D' Amore, R., 1990: Observations on the affinity and productive behaviour of aubergine rootstocks and other species in the Solanaceae

Oliveria, M. E. M. de; Nogueira Filho, J. C. M.; Lucci, C. de S., 1989: Observations on the behaviour of ciliated protozoa in the rumen of goats (Capra hircus L.) reared in Itapetininga, Sao Paulo

Sansavini, S.; Buscaroli, C.; Martelli, S.; Palara, U., 1990: Observations on the behaviour of micropropagated and grafted plums

Montanari, L.; Cravedi, P.; Molinari, F., 1988: Observations on the biology of Myzus persicae (Sulzer)

Moravec, F.; Scholz, T., 1991: Observations on the biology of Pomphorhynchus laevis (Zoega in Muller, 1776) (Acanthocephala) in the Rokytna River, Czech and Slovak Federative Republic

Grande, C.; Ingrassia, S.; Bianchi, A., 1990: Observations on the biology of Viteus vitifoliae infesting Vitis vinifera and trials on its control

Shukla, G. K.; Sandhu, G. S., 1988: Observations on the biology of jasminum leaf-web worm

Radke, S. G.; Kandalkar, H. G., 1989: Observations on the biology of lemon butterfly, Papilio demoleus Linnaeus (Lepidoptera: Papilionidae)

Arancibia O, C.; Charlin C, R.; Sazo R, L., 1990: Observations on the biology of the acacia scale Diaspidiotus ancylus (Putnam) on white acacia (Robinia pseudoacacia)

Michaud, JP., 1990: Observations on the biology of the bronze flea beetle Altica tombacina (Coleoptera: Chrysomelidae) in British Columbia

Yang, Z. H.; Lu, X. L., 1990: Observations on the bionomics of Plusia agnata Standinger

Moravec, F., 1992: Observations on the bionomy of Allocreadium isoporum (Looss, 1894) (Trematoda: Allocreadiidae)

Sacchi, C. F., 1990: Observations on the biotic cycle of Theba pisana (Muller) (Gastropoda, Pulmonata) in Europe and Australia

Sambraus, H. H.; Wittman, M., 1989: Observations on the birth and sucking behaviour of goats

Bao, J.; Giller, P. S., 1991: Observations on the changes in behavioural activities of dairy cows prior to and after parturition

Bocchieri, E., 1990: Observations on the changes in the flora of the island of Toro (SW Sardinia) during the past 50 years

Benfatto, D.; Sichel, M. D., 1988: Observations on the chemical control of citrus pests: selectivity of the pheromone traps of Archips rosanus L. and Cacoecimorpha pronubana (Hb.) (Lepidoptera-Tortricidae)

Benfatto, D.; Vacante, V., 1988: Observations on the chemical control of citrus pests: useful and indifferent mites

Lin, S. H.; Pu, F. S.; Zhang, J. Y.; Gao, X. Y.; Li, X. J., 1991: Observations on the chromosome number of Prunus

Tang, Z. Q., 1991: Observations on the citrus bud midge Dasineura citrigemmina (Dip.: Cecidomyiidae)

King, J. N.; Gerring, E. L., 1989: Observations on the colic motor complex in a pony with a small intestinal obstruction

Innes, J. L., 1992: Observations on the condition of beech (Fagus sylvatica L.) in Britain in 1990

Kasyanchuk, V. V., 1991: Observations on the course of bovine mastitis

Wikus, E. P., 1990: Observations on the decline of Pinus nigra and Juniperus communis in the province of Trieste

Chubinsky, A. N.; Okuma, M.; Sugiyama, J., 1990: Observations on the deformation of wood cells in the gluing process of veneer

Jadhav, N. S.; Waghmare, P. S.; Zanjad, P. N., 1990: Observations on the dehydration of heat induced milk foam for khoa making

Ibrahim, S. K.; Perry, R. N., 1992: Observations on the desiccation survival of second stage juveniles of the rice cyst nematode, Heterodera sacchari, H. oryzae and H. oryzicola

Ratnasoma, H. A.; Gowen, S. R.; Hague, N. G. M., 1991: Observations on the detachment of spores of Pasteuria penetrans from pre-parasitic second-stage juveniles of Meloidogyne spp

Leyva, E. L.; Borisenko, V., 1989: Observations on the determination of the critical leaf P value in sugarcane

Rozendaal, JA., 1990: Observations on the distribution of anophelines in Suriname with particular reference to the malaria vector Anopheles darlingi

Forattini, O. P.; Gomes, A. C.; Kakitani, I.; Marucci, D., 1991: Observations on the domiciliation of Culex (Melanoconion) in a highly modified man-made environment

Maffei, M.; Piasentier, E.; Durand, P. A.; Susmel, P., 1990: Observations on the early stages of reproductive activity in Bergamasca ewe lambs

Lake, D. C., 1990: Observations on the eastern mouse spider Missulena bradleyi Rainbow (Mygalomorphae: Actinopodidae): natural history and envenomation

Sinha, B.; Choudhury, A., 1987: Observations on the ecology of nematodes inhabiting littoral sands of the Hugli estuary

Hinton, W. L.; Varvarigos, P., 1990: Observations on the economic performance of irrigation: a study of 23 farms in East Anglia

Sultan, R.; Sharma, V., 1990: Observations on the effect of endosulfan, an organochlorine pesticide on the mortality of fish Channa gachua (Ham.)

Malhotra, D.; Rai, P. K., 1990: Observations on the effect of leaf extracts on germination and fungi associated with seeds of Glycine max L

Thakur, C. P.; Kumar, M., 1992: Observations on the effect of verapamil with sodium stibogluconate in kala azar

Riba Pijuan, F.; Taberner Palou, A.; Cuadros Claria, R.; Massanes Sole, J.; Sole Torres, M., 1991: Observations on the effects of temperature on the phenological development of six weed species of winter cereals, in their early stages of development

Hutcheson, J., 1992: Observations on the effects of volcanic activity on insects and their habitat on White Island

Tahseen, Q.; Jairajpuri, MS.; Ahmad, I., 1991: Observations on the embryonic and post-embryonic development of Diploscapter orientalis (Nematoda: Rhabditida)

Rajendram, G. F.; Rajeswaran, R., 1988: Observations on the embryonic development of Nephotettix virescens (Homoptera: Cicadellidae)

Shi, J. X.; Li, D.; Zhang, J. F.; Chen, Y. H., 1987: Observations on the emergence and swarming of Odontotermes hainanensis Light

Torgerson, P. R.; Gulland, F. M. D.; Gemmell, M. A., 1992: Observations on the epidemiology of Taenia hydatigena in Soay sheep on St Kilda

West, D. M.; Bruce, R. A., 1991: Observations on the eradication of Brucella ovis infection from a ram flock

Corbel, M. J.; Eades, S. M., 1991: Observations on the experimental pathogenicity and toxigenicity of Mortierella wolfii strains of bovine origin

Byombuka, S., 1991: Observations on the failures of rural cooperatives in South Kivu, Zaire

Chang, W. C.; Yan, W. M.; Gao, X. Y., 1990: Observations on the features of endosperm cell wall formation at early cellularization stage in Triticum aestivum

Wyss, U., 1992: Observations on the feeding behaviour of Heterodera schachtii throughout development, including events during moulting

Menendez, J. M.; Berrios, M. del C.; Castilla, R., 1989: Observations on the feeding habits of Hypsipyla grandella larvae under laboratory conditions

Bourgogne, J., 1990: Observations on the first stages and the behaviour of Psychidae. First part: the egg and the primary case. (Lep.)

Ying, J. S.; Li, Y. F.; Guo, Q. F.; Cui, H., 1990: Observations on the flora and vegetation of Taibai Shan, Qinling Mountain Range, Southern Shaanxi, China

Genise, J. (and 8 others), 1990: Observations on the floral biology of Prosopis (Leguminosae, Mimosoideae): II. Floral phases and visitors in the Chaco mountain district

Genise, J.; Palacios, R. A.; Hoc, P. S.; Carrizo, R.; Moffat, L.; Mom, M. P.; Agullo, M. A.; Picca, P.; Torregrosa, S., 1990: Observations on the floral biology of Prosopis. 2. Floral phases and visitors in the Chaqueno Serrano district

Aluri R.J., 1990: Observations on the floral biology of certain mangroves

Hoppner, K; Collins, M; Lampi, B; Verdier, P., 1991: Observations on the folate status of a self-selected group of institutionalized and free-living elderly Canadians

Bhatti, U. S.; Bhatti, S. K.; Sehgal, S. S., 1987: Observations on the foundresses of Indian yellow wasp, Polistes olivaceus (De-Geer), (Hymenoptera) at nest construction utilizing notice papers

Qiu, S. H.; Mai, S. Q.; Chen, T. T.; Li, J. Q., 1992: Observations on the fruit growth and development characters of Shatianyou pomelo

Winter, A. C.; Dobson, H., 1992: Observations on the genital tract of cull ewes

Behling, R. E., 1990: Observations on the geologic history of a wetland have the potential of assisting efforts to construct wetlands on mined land

Caruso, A.; Terranova, G., 1988: Observations on the germinative energy of several citrus rootstocks and on their growth in various types of peat container

Boag B.; Smith W.H.M.; Griffiths D.W., 1990: Observations on the grazing of double low oilseed rape and other crops by roe deer

Zheng, P. Y.; Fu, T. M.; Zhao, M., 1990: Observations on the growth and development characteristics of Setaria italica. II. Observations on the anatomical structure of leaves at different positions in S. italica

Marchetti, M.; Tagliavini, M.; Ciarlini, M.; Passerini, V., 1990: Observations on the growth and productivity of several processing plum cultivars

Lopez T, Q.; Torres H, G., 1990: Observations on the growth and reproduction of goats on the Potosino high plateau. 1. Growth

Lopez T, Q.; Torres H, G., 1990: Observations on the growth and reproduction of goats on the Potosino high plateau. 2. Reproduction

Gras, M. A.; Mughini, G., 1988: Observations on the growth in central Italy of some recently selected Populus X euramericana clones

Haug, T.; Huse, I.; Kjorsvik, E.; Rabben, H., 1989: Observations on the growth of juvenile Atlantic halibut (Hippoglossus hippoglossus L.) in captivity

Dorrestein, G. M.; Korbel, R.; Schneeganss, D., 1990: Observations on the health of feral urban pigeons

Yu, Y.; Fan, B. R.; Peng, X. M.; Zeng, L. H., 1989: Observations on the house frequenting behaviour and host preference of two forms of Anopheles (Cellia) minimus Theobald in Hainan

Fan, G. X.; Zhu, X. P., 1991: Observations on the immunomorphology of the intestinal epithelium

Runeckles V.C.; Vaartnou M., 1992: Observations on the in situ detection of free radicals in leaves using electron paramagnetic resonance spectrometry

Liu, L. C.; Gu, G. H., 1990: Observations on the incidence of Misumenops tricuspidatus and the number of plant bugs fed by it

Smriti Manke; Rai, P. K.; Rai, S.; Renu Dubey, 1989: Observations on the incidence of air-borne pollens at Bhopal with key for their identification

Cook, R.; Mizen, A.; Plowright, R. A.; York, P. A., 1992: Observations on the incidence of plant parasitic nematodes in grassland in England and Wales

Fomba, S. N.; Singh, N., 1991: Observations on the incidence of rice brown spot, lead scald and leaf smut diseases in a tidal mangrove swamp at Rokpur, Northwestern Sierra Leone

Hachler, M., 1990: Observations on the incidence of three amphipyrine species in western Switzerland and Tessin: Spodoptera exigua Hbn., Caradrina (Platyperigea) kadenii Frr. and Sedina buettneri O. Hering (Lepidoptera, Noctuidae)

Frehner, M., 1989: Observations on the induction of natural regeneration on a steep north slope in a subalpine Norway spruce forest

Pan, G. X.; Chen, S. N., 1989: Observations on the infestation of Chilo suppressalis (Walker) on winter crops

Basu, R. P., 1989: Observations on the influence of plucking round on leaf standard and quality of made tea

Pleasants, A. B.; Barton, R. A., 1992: Observations on the length of the post-partum oestrous cycles and their relationships to other reproductive parameters in mature Angus cows calving in the spring of two consecutive years

King, CJ.; Fielding, NJ.; O'Keefe, T., 1991: Observations on the life cycle and behaviour of the predatory beetle, Rhizophagus grandis Gyll. (Col., Rhizophagidae) in Britain

Cox, WT.; Hendrickson, GL., 1991: Observations on the life cycle of Proteocephalus tumidocollus (Cestoda: Proteocephalidae) in steelhead trout, Oncorhynchus mykiss

Hunter, J S.; III.; Fincher, GT.; Lancaster, J L.; Jr., 1991: Observations on the life history of Onthophagus medorensis

Shameem, U.; Madhavi, R., 1991: Observations on the life-cycles of two haploporid trematodes, Carassotrema bengalense Rekharani & Madhavi, 1985 and Saccocoelioides martini Madhavi, 1979

Rath, W.; Delfinado Baker, M.; Drescher, W., 1991: Observations on the mating behavior, sex ratio, phoresy and dispersal of Tropilaelaps clareae (Acari: Laelapidae)

Wang, Y. S., 1989: Observations on the mating behaviour of Chilo suppressalis

Kiely, L. J.; McConnell, S. L.; Kindstedt, P. S., 1991: Observations on the melting behaviour of imitation Mozzarella cheese

Principato, M., 1989: Observations on the morphological variability of the third instar larvae of Gasterophilus nasalis (Diptera: Gasterophilidae)

Smith, DG., 1991: Observations on the morphology and taxonomy of two Parachordodes species (Nematomorpha, Gordioida, Chordodidae) in southern New England (USA)

Vovlas, N.; Troccoli, A., 1991: Observations on the morphology of Neodolichodorus cassati (Luc & Dalmasso, 1971) Siddiqi, 1977 (Nematoda: Tylenchina)

Prociv, P., 1990: Observations on the morphology of Toxocara pteropodis eggs

Lopez Gonzalez, G., 1989: Observations on the natural classification of the genus Carthamus L., s.l

Baker, R. M., 1990: Observations on the natural regeneration of western hemlock (Tsuga heterophylla) in south east Wales

Miliczky, E., 1991: Observations on the nesting biology of three species of panurgine bees (Hymenoptera: Andrenidae)

Karl, E.; Schmidt, H. E., 1990: Observations on the occurrence of Macrosiphum albifrons Essig on Lupinus polyphyllus Lindl. in 1989 in the North of Czechoslovakia

Coenen, M., 1992: Observations on the occurrence of gastric ulcers in horses

Hirschmann, R. U.; Seidel, A., 1992: Observations on the occurrence of salmonellae in cattle in the Mecklenburg-Vorpommern region from 1980 to 1989

Muller, W. A., 1990: Observations on the occurrence of stem Phytophthora in potatoes

Karl, E.; Schmidt, H. E., 1990: Observations on the occurrence of the lupin aphid (Macrosiphum albifrons Essig) in 1989 in the GDR

Alkemada, J. R. M.; Loof, P. A. A., 1989: Observations on the ontogeny of some Xiphinema species (Nematoda: Dorylaimida)

Lancaster, M. B.; Andrews, S. J., 1991: Observations on the output of nematode eggs in faeces and on the subsequent pasture infestation with third stage larvae produced by a herd of farmed red deer (Cervus elaphus)

Benhaj, M. K.; Madani, M. O. K.; Rahal, M. S., 1990: Observations on the ovarian activity of Libyan fat tailed ewes: uterine involution and post partum ovarian activity

Horn, H., 1990: Observations on the overwintering of honeybee colonies in hives with open and solid floorboards

Stratan, N. M.; German, S. M.; Beer, S. A.; Amarbaev, M. A., 1987: Observations on the ovicidal action of anti-Dicrocoelium drugs

Peter, C.; David, B. V., 1991: Observations on the oviposition behaviour of Goniozus sensorius (Hymenoptera: Bethylidae) a parasite of Diaphania indica

Liu, S. S.; He, J. H., 1991: Observations on the oviposition behaviour of Trichogramma dendrolimi Matsumura

Gomez, M. S.; Gallego, J.; Bernat, G., 1987: Observations on the parasitic Anoplura of small mammals in Catalonia (Spain)

Force, DC., 1989: Observations on the parasitoids of Mesepiola specca Davis (Lepidoptera: Incurvariidae)

Nimbkar, C.; Ghalsasi, P. M., 1992: Observations on the performance of the first flock of improved Awassi sheep in India

Ben Dov, Y.; Wysoki, M.; Tomer, E.; Ofek, G.; Avin, Z., 1992: Observations on the phenology and control of the Western flower thrips Frankliniella occidentalis Pergande of mango inflorescences in Israel

Liotta, G.; Maniglia, G., 1984: Observations on the population dynamics of Aleurothrixus floccosus (Mask.) (Hom. Aleyrodidae) in Sicily

Sacco, M., 1989: Observations on the possible effects of the mite Panonychus ulmi Koch on the size of apple fruits, on some qualitative characteristics of the product and on the formation of fruit buds

Khan, Z.; Bilgrami, AL.; Jairajpuri, MS., 1991: Observations on the predation ability of Aporcelaimellus nivalis (Altherr, 1952) Heyns, 1966 (Nematoda: Dorylaimida)

Rinn, F., 1990: Observations on the predictive value of methods for examining trees as regards the duty to ensure traffic safety

Tarocco, C.; Gherpelli, M., 1991: Observations on the prevention of colienterotoxaemia in piglets at weaning by feeding with a naturally acidified whey

Stiavelli, S.; Tognotti, E., 1987: Observations on the production of seeds by Norway spruce in relation to forest decline

Hilge, V., 1990: Observations on the rearing of perch-pike (Stizostedion lucioperca L.) in the laboratory

Afifi, F. M. L., 1990: Observations on the relative distribution of the egg-masses and larvae of the cotton leaf-worm, Spodoptera littoralis (Boisd). (Lepidoptera: Noctuidae), in soybean fields

Schulz Key, H., 1990: Observations on the reproductive biology of Onchocerca volvulus

Harricharan, H.; Keens Dumas, M. J.; Mannasmith, C.; Ramlal, H., 1987: Observations on the reproductive performance of three purebreds and one crossbred group of ewes on the Blenheim sheep station in Tobago, West Indies

Prasad, YK., 1992: Observations on the seasonal abundance of Icerya purchasi on Acacia baileyana in Adelaide, South Australia

Pipano, E., 1991: Observations on the seasonal distribution of blood parasites in sheep in Israel

Pinochet, J.; Verdejo, S.; Soler, A., 1990: Observations on the seasonal fluctuation of Meloidogyne hapla on kiwi (Actinidia deliciosa) in Spain

Ronning, Cm; Bouwkamp, Jc; Solomos, T., 1991: Observations on the senescence of a mutant non-yellowing genotype of Phaseolus vulgaris L

Riba, F.; Recasens, J., 1991: Observations on the spatial variability in seed production by a Bromus diandrus Roth. population in a field of winter cereals

Nenonen, S. P.; Mansikkaniemi, H., 1990: Observations on the spread of vegetation to road cuttings in the far north of Finland

Rath, R., 1991: Observations on the statutory control of animal experiments in Berlin

Gull, D. D.; Guzman, V. L., 1988: Observations on the storability of California and Florida crisphead lettuce

Ricciardi, M. P.; Pellegrini, S., 1989: Observations on the structure and the steroidogenic activity of the testis and adrenal gland in chicken from hatching to sexual maturity

Pawlikoswki, T.; Pokorniecka, J., 1990: Observations on the structure of bumble bee communities (Apoidea, Bombus Latr.) of the town-forest areas in Torun Basin

Guricheva, N. P.; Dem' yanov, V. A., 1990: Observations on the structure of open arid forests. The phytogenic field of Amygdalus bucharica (Rosaceae)

Lu, Q. H.; Ge, Z. H., 1988: Observations on the stylet and the parasitical site segment of Japanese pine bast scale

Wang, J. S.; Chan, J. P., 1988: Observations on the surface morphology of Formosan strain of adult Schistosoma japonicum by scanning electron microscopy

Uecker, W., 1991: Observations on the surveillance of experimental animal facilities in universities

Theodorides, I.; Founta, A.; Antoniadou Soteriadou, K.; Boubas, G., 1992: Observations on the survival of free-living stages of sheep nematodes on pasture

Gomulski, L., 1988: Observations on the swarming behaviour of three species of Aedes mosquitoes in Britain

Battoni, F.; Tombesi, M., 1989: Observations on the taxonomy and geographic distribution of some Italian species of Carabidae (Coleoptera)

Bilkei, G.; Horn, A., 1991: Observations on the therapy of MMA complex in swine

Chiacchiararelli, F.; Ravanetti, Z.; Cairella, M., 1990: Observations on the treatment of obese outpatients

Mayhead G.J., 1991: Observations on the use of a high pressure tree injection system

Kurwijila, R. V., 1991: Observations on the use of appropriate technology in agricultural development in Tanzania

Casella, M., 1992: Observations on the use of honey supers with drone cell foundation

Bhiravamurty, P. V.; Mohan, R. K., 1989: Observations on the vegetation of Prakasam district, Andhra Pradesh

Wolf, A., 1990: Observations on the vegetation of some shallow lakes near the mouth of the River Ypane, Paraguay

Scholz, T., 1991: Observations on trematode fauna of freshwater fish in Laos

Moravec, F.; Ali, NM.; Abul-Eis, ES., 1991: Observations on two Rhabdochona species (Nematoda: Rhabdochonidae) from freshwater fishes in Iraq, including description of R. similis sp. n

Simeone, A. M., 1990: Observations on varietal susceptibility of a plum collection to natural infection by Xanthomonas pruni

Jing S.R.; Benefield L.D.; Hill W.E., 1992: Observations relating to enhanced phosphorus removal in biological systems

Gicquaud, C.; Tremblay, N., 1991: Observations with Hoechst staining of amitosis in Acanthamoeba castellanii

Johnsen, T. N, Jr, 1992: Observations: potential long-term environmental impact of tebuthiuron and its metabolites in Utah juniper trees

Burnside, Eb; Jansen, Gb; Civati, G; Dadati, E., 1992: Observed and theoretical genetic trends in a large dairy population under intensive selection

O'neill P.E.; Jackson T.J., 1990: Observed effects of soil organic matter content on the microwave emissivity of soils

Schipper, H; Frey, Kj, 1991: Observed gains from three recurrent selection regimes for increased groat-oil content of oat

Aiken G.E.; Bransby D.I., 1992: Observer variability for disk meter measurements of forage mass

Mack, S.; Baier, B.; Karg, W., 1988: Observing culture conditions and sanitary measures as preconditions for the successful use of predatory mites for spider-mite control on cucumbers in greenhouses

Dover, G. A., 1992: Observing development through evolutionary eyes: a practical approach

Liang, J. S.; Yiao, X. S.; Ma, Z. L.; Ma, N. X., 1988: Observing the carbonized samples of bamboos with SEM

Barclay, B.; Steggall, J., 1992: Obsolete pesticides crisis

Dumas, L. P., 1990: Obstacles facing farmer-managed irrigation systems in the state of Cambodia

Duisembaev, K., 1989: Obstacles on the path to rearing horses for dairying

Qian, Y., 1991: Obstacles to capital formation in agricultural inputs

Reuben, R., 1989: Obstacles to malaria control in India - the human factor

Ramadan, R. O.; Abdin Bey, M. R., 1990: Obstruction of the oesophagus in camels

Kamphues, J.; Schad, D., 1992: Obstructive colic in horses fed hay prepared from loose silky bent grass (Apera spica-venti)

Pumarola M.; Van Niel M.H.F., 1992: Obstructive hydrocephalus produced by parasitic granulomas in a dog

Magomedov, A. Z.; Deenichin, P. G.; Zagidov, M. Z.; Makhatilov, M. M., 1990: Obstructive jaundice associated with the rupture of hydatid cysts into the bile ducts

Saleil, V.; Degras, L.; Jonard, R., 1990: Obtaining Dioscorea trifida L. yam plants free from yam mosaic virus (YMV) by apical in vitro culture

Lehman S.L.; Brooks G.A., 1990: Obtaining a representative blood sample in lactate tracer studies

Rozmarin, G.; Birsan, M., 1990: Obtaining an additive based on resinous bark for the alkaline pulping of beech wood. II. Process for enhanced extraction of additives

Mitterbacher, B., 1990: Obtaining and comparing output and cost data for uphill and downhill extraction with tipping-mast cableway installations as decision-making criteria for forest technologies

Stockel, J., 1990: Obtaining and preparing roundwood from early thinnings in Norway spruce

Real del Sol, E.; Camejo Corrales, J., 1991: Obtaining buttermilk concentrates using ultrafiltration

Paula, M. A. de; Pinto, J. E. B. P.; Siqueira, J. O.; Pasqual, M., 1990: Obtaining callus and cell suspension of different plant species

Gomel' skiy, B. I.; Rekubratskii, A. V.; Emel' yanova, O. V.; Pankrat' yeva, E. V.; Lekontseva, T. I., 1989: Obtaining diploid gynogenesis in carp by thermal shock of developing eggs

Kunizhev, S. M.; Shuvaev, V. A.; Shamanova, G. P.; Tupitsa, Yu V.; Nedaivozova, N. N., 1990: Obtaining dried cultured milk products

Kabanova, O., 1991: Obtaining feathers and down from geese

Trofimenkov, V. N.; Kuz' michev, V. A., 1989: Obtaining immune sera to Beta -endotoxin Bacillus thuringiensis

Eveleva, V. V.; Saenko, A. N.; Kremneva, N. P., 1990: Obtaining lactic acid

Rosenberg, A.; Turvey, C. G., 1990: Obtaining management profiles of Ontario swine producers through cluster analysis

Krasheninin, P. F.; Krugliv, V. I.; Sazhinov, G. Yu, 1990: Obtaining milk protein hydrolyzates with preset peptide profile

Pavel, P.; Krasnoproshina, L. I., 1988: Obtaining modified honeybee venom allergens

Lutova, L. A.; Bondarenko, L. V.; Kozyreva, O. G.; Inge Vechtomov, S. G., 1990: Obtaining mutants of plants with changed composition of phytosterines, having resistance to insects. 1. Creation of a laboratory model plant-insect

Kaym, M.; Koc, N. K., 1992: Obtaining of virus-free potato (Solanum tuberosum L.) planting stock material through meristem culture

Kim, K. W.; Sung, S. K., 1990: Obtaining plantlets through immature embryo culture of lilies

Castillo de Meier, G. M.; Bovo, O. A., 1989: Obtaining plants from in vitro culture of microcuttings from epirrhizal shoots and shoots from an adult tree of Pithecellobium scalare

Janik Janiec, B., 1990: Obtaining plants of spring barley (Hordeum vulgare L.) by means of anther culture

Stiehl, H.; Dupp, H.; Klein, H. P.; Leuker, G., 1991: Obtaining process water from effluents through UV disinfection

Hayes, J. C.; Burcham, T. N., 1992: Obtaining sediment properties using field instrumentation

Astashchenko, A. M., 1991: Obtaining spring and winter forms from a single hybrid population

Zolotokrylin, A. N.; Lozovskaya, L. A., 1989: Obtaining stable grain yields in Siberia and Kazakhstan

Vintila, I.; Babusic, P.; Benecsik, I.; Kulickova, L.; Padeanu, I.; Pacala, N.; Panta, L.; Ivascu, A.; Driha, A.; Vintila, C.; Bura, M.; Corin, N.; Colgea, I.; Barbat, V.; Buldur, A.; Miculescu, I.; Beleuta, A.; Sipetan, M.; Lazau, V.; Colesar, P.; Polverean, S., 1990: Obtaining the first multi-parent lambs

Moreno Diaz, L.; Cervantes Guerrero, I., 1988: Obtaining the optimum cropping pattern for Development District No.48, Coahuila and Durango

Strukcinskaite, J.; Meskiene, I.; Atkociunaite, V., 1991: Obtaining transgenic red clover (Trifolium pratense L.) using Agrobacterium binary vector

Leyva, B.; Quert, R.; Vidal, A.; Caballero, J. C.; Martinez, J. M.; Gonzalez, R., 1990: Obtaining vitamin meal for animal fodder from green foliage of Pinus caribaea and Pinus tropicalis

Zolotukhin, I. A.; Eropkin, K. I.; Shekhovtsov, V. P.; Strakhova, L. V.; Ovchinnikova, L. I., 1991: Obtainment and use of a microalgal biocenose for clarifying mine waters

Ramniece, V.; Grinbergs, A., 1992: Obtainment of Acinetobacter pure cultures from the municipal wastewaters of the city of Riga, Latvia

Boruch, M.; Nebesny, E.; Pierzgalski, T., 1991: Obtainment of enzymatic starch hydrolysates destined for confectionery syrups

Mazingue C.; Cottrez F.; Auriault C.; Cesbron J Y.; Capron A., 1991: Obtention of a human primary humoral response against schistosome protective antigens in severe combined immunodeficiency mice after the transfer of human peripheral blood mononuclear cells

Laurent, J.; Barny, M. A.; Kotoujansky, A., 1987: Obtention of a strain of Erwinia amylovora cured of its plasmid pEA

Gursoz, N.; Abak, K.; Pitrat, M.; Rode, J. C.; Vaulx, R. D. de, 1991: Obtention of haploid plants induced by irradiated pollen in watermelon (Citrullus lanatus)

Newman, V., 1989: Occasional technical & scientific notes: Effects of pretreatments on germination of Acacia mangium (Willd.) in Sabah

Newman, V., 1989: Occasional technical & scientific notes: Results of media trials using sawdust on germination of Acacia mangium (Willd.)

Jaggy A.; Hutto V.L.; Roberts R.E.; Oliver J.E., 1991: Occipitoatlantoaxial malformation with atlantoaxial subluxation in a cat

Harris, W. G.; Morrone, A. A.; Coleman, S. E., 1992: Occluded mica in hydroxy-interlayered vermiculite grains from a highly-weathered soil

Mesa, M.; Ramirez, P., 1990: Occlusion in Pinus tropicalis trees tapped for resin

Takeda F.; Wisniewski M.E.; Glenn D.M., 1991: Occlusion of water pores prevents guttation in older strawberry leaves

Chhabra, R. C.; Bhat, S.; Shukla, S. M., 1989: Occular loiasis in a Zambian woman

Payne James J.J.; Bray M.J.; Rana S.K.; Rees R.G.P.; Silk D.B.A., 1990: Occult abdominal wall peristomal abscess following percutaneous endoscopic gastrostomy

Chaturvedi P.; Gawdi A.; Dey S., 1990: Occult filarial infections

Saitoh, Y; Saitoh, H; Ohtomo, K; Mizuno, S., 1991: Occupancy of the majority of DNA in the chicken W chromosome by bent-repetitive sequences

Vagero, D.; Swerdlow, A. J.; Beral, V., 1990: Occupation and malignant melanoma: a study based on cancer registration data in England and Wales and in Sweden

Veiga, J. E. R.; Vicente, M. C. M.; Nogueira, E. A. e; Baptistella, C. S. L., 1991: Occupation of Sao Paulo rural workers in 1988-90

Weinstein, P.; Cameron, A. S., 1991: Occupation-related leptospirosis in South Australia

Brasch, J.; Hessler, H. J.; Christophers, E., 1991: Occupational (photo)allergic contact dermatitis from azaperone in a piglet dealer

Bernhard, C. A.; Guillemin, M. P.; Hillier, R. S., 1989: Occupational and paraoccupational exposure to methyl bromide during soil fumigation in Switzerland

Cote, J.; Chan, H.; Brochu, G.; Chan Yeung, M., 1991: Occupational asthma caused by exposure to Neurospora in a plywood factory worker

Olaguibel J.M.; Hernandez D.; Morales P.; Peris A.; Basomba A., 1990: Occupational asthma caused by inhalation of casein

Rosenman K.D.; Hart M.; Ownby D.R., 1992: Occupational asthma in a beet sugar processing plant

Michils, A.; Vuyst, P. de; Nolard, N.; Servais, G.; Duchateau, J.; Yernault, J. C., 1991: Occupational asthma to spores of Pleurotus cornucopiae

Pigatto, P. D.; Bigardi, A.; Riboldi, A.; Legori, A.; Altomare, G. F.; Ottoboni, F., 1991: Occupational atopic contact dermatitis from Rhizoglyphus

Jensen, A. A., 1991: Occupational chemicals in human milk

Manning, M. J.; Cowell, J. E.; Teng, Y. T., 1991: Occupational exposure of plantation spray workers to glyphosate during mist blower application

Shelton, M. J.; Minor, J. R., 1991: Occupational exposure to aerosolized pentamidine isethionate

Choudat D.; Frisch C.; Barrat G.; El Kholti A.; Conso F., 1990: Occupational exposure to amorphous silica dust and pulmonary function

Tuomi T.; Huuskonen M.S.; Tammilehto L.; Vanhala E.; Virtamo M., 1991: Occupational exposure to asbestos as evaluated from work histories and analysis of lung tissues from patients with mesothelioma

Kotimaa M.H., 1990: Occupational exposure to fungal and actinomycete spores during the handling of wood chips

Castoldi M.R.; Macchi G.F.; Piantieri G.; Colombi A., 1991: Occupational exposure to infectious agents among environmental workers

Schenker, M. B.; McCurdy, S. A., 1990: Occupational health among migrant and seasonal farmworkers: The specific case of dermatitis

Anonymous, 1986: Occupational health and rehabilitation of forest workers

Harrison, R. J.; Vugia, D. J.; Ascher, M. S., 1990: Occupational health guidelines for control of Q fever in sheep research

Anonymous, 1991: Occupational health: the other side. The role of non-medical specialists in occupational health

Marvel, M. E.; Pratt, D. S.; Marvel, L. H.; Regan, M.; May, J. J., 1991: Occupational hearing loss in New York dairy farmers

Bellas, T. E., 1990: Occupational inhalant allergy to arthropods

Laraqui, C. H.; Afif, F. Z.; El Mahi, M., 1992: Occupational medicine in Morocco: present state and future perspectives

Gumber, A. K., 1989: Occupational mobility of displaced families: a study of the Panam irrigation project in Gujarat

Garcia Pena, J. R.; Garcia Gonzalez, J.; Pila Perez, R.; Solanas Fernadez, I., 1991: Occupational onicodystrophy from paraquat

O' Neil, C., 1990: Occupational respiratory diseases resulting from exposure to eggs, honey, spices, and mushrooms

Sehgal, R.; Mahajan, R. C., 1991: Occupational risks in sewage work

Silverman, D. T.; Levin, L. I.; Hoover, R. N., 1990: Occupational risks of bladder cancer among white women in the United States

Yakes B.; Kelsey K.T.; Seitz T.; Hashimoto D.; Feldman H.A.; Christiani D.C., 1991: Occupational skin disease in newspaper pressroom workers

Kirkcaldy, B. D.; Siefen, G., 1991: Occupational stress among mental health professionals

Mishra, S.; Mishra, S., 1990: Occupational structure of women in Orissa

Garland, F. C.; White, M. R.; Garland, C. F.; Shaw, E.; Garham, E. D., 1990: Occupational sunlight exposure and melanoma in the US Navy

Peroni, G.; Guerra, D., 1991: Occupations in the hotel tourist sector within the European Community: a comparative analysis

Hornig, W., 1990: Occurrence and association of soils in Thuringen

Zhang, B. R.; Song, X. H.; Xue, S. X.; Zhong, Y. Y.; Gong, Y. P.; Zhang, Z. X., 1991: Occurrence and bionomics of the mulberry gall-midge and its control in Shaanxi

Raza, A.; Srivastava, L. L.; Mishra, B., 1989: Occurrence and characteristics of Azotobacter and Beijerinckia in some soils of Bihar

Kuriachan, P.; Beevy, S. S., 1992: Occurrence and chromosome number of Cucumis sativus var. hardwickii (Royle) Alef. in South India and its bearing on the origin of cultivated cucumber

Pawirosoemardgo, S.; Purwantara, A., 1992: Occurrence and control of VSD in Java and South East Sulawesi

Rabindran, R.; Marimuthu, T., 1988: Occurrence and control of bacterial stem rot of betelvine caused by Xanthomonas campestris pv. betlicola

Iguchi, K.; Takeuchi, T., 1988: Occurrence and control of benomyl resistant strains of Fusarium moniliforme, the causal fungus of Bakanae disease in Chiba Prefecture

Chastagner, G. A.; Riley, K., 1990: Occurrence and control of benzimidazole and dicarboximide resistant Botrytis spp. on bulb crops in Western Washington and Oregon

Snyder, G. H.; Jones, D. B.; Coale, F. J., 1990: Occurrence and correction of manganese deficiency in Histosol-grown rice

Khodair, A. A.; Ramadani, A. S.; Aggab, A. M., 1991: Occurrence and density of alkalophilic bacteria and fungi in saline soils of Makkah District, Saudi Arabia

Kader, D. A. A.; Zaid, M. I. A.; Refat, M. E.; Ghoniem, M. I., 1989: Occurrence and detection of Ascochyta blight of chickpea plants and field screening of different cultivars to the disease incited by Ascochyta rabiei (Pass.) Lab

Roder, W.; Eggert, H.; Kalamus, A., 1990: Occurrence and detrimental effect of cleavers, Galium aparine L., in grain fields

Echeverria, M. G.; Nosetto, E.; Petruccelli, M. A.; Gimeno, E. J.; Etcheverrigaray, M. E., 1991: Occurrence and diagnosis of Aujeszky's disease in the Chanar Ladeado and Saladillo districts

Wichardt, U. P.; Johansson, N.; Ljungberg, O., 1989: Occurrence and distribution of Aeromonas salmonicida infections on Swedish fish farms, 1951-1987

Kraus, B. D., 1989: Occurrence and distribution of Eperythrozoon suis infection in Bavaria. Results of CF and ELISA tests

Tehabsim, A.; Khadair, M. A.; Janse, J. D., 1991: Occurrence and distribution of Pseudomonas syringae subsp. savastanoi in Jordan

Chalot M.; Brun A.; Khalid A.; Dell B.; Ronhr R.; Botton B., 1990: Occurrence and distribution of aspartate aminotransferases in spruce and beech ectomycorrhizas

Ullman, D. E.; Cho, J.; German, L., 1991: Occurrence and distribution of cucurbit viruses in the Hawaiian Islands

Sharma, S. K.; Dohroo, N. P., 1990: Occurrence and distribution of fungi causing ginger yellows in Himachal Pradesh

Antonio, H., 1987: Occurrence and distribution of gall nematodes of soya

Ram, S.; Pathak, K. A., 1987: Occurrence and distribution of pest complex of some tropical and temperate fruits in Manipur

Ihnat, M., 1989: Occurrence and distribution of selenium

Yum, K. J.; Park, E. W., 1989: Occurrence and distribution of soybean seed-borne fungi in Korea

Baumgartner, W.; Reckinger, M.; Pernthaner, A.; Leitold, B., 1990: Occurrence and distribution of visna maedi virus infection in breeding sheep flocks in Lower Austria

Harris, E. J.; Olalquiaga, G., 1991: Occurrence and distribution patterns of Mediterranean fruit fly (Diptera: Tephritidae) in desert areas in Chile and Peru

Wood, Ar; Lainson, Fa; Sutherland, Ad; Baird, Gd, 1991: Occurrence and diversity of plasmids in ovine isolates of Pasteurella haemolytica

Buriol, G. A.; Estefanel, V.; Schneider, F. M.; Hoffmann, A., 1991: Occurrence and duration of daily minimum air temperatures injurious to fertilization of rice flowers in Santa Maria, RS. 1. Probabilities of occurrence

de Waele, D.; Coomans, A., 1991: Occurrence and ecology of trichodorid nematodes in Belgium

Czimber, G.; Horvath, K.; Radics, L.; Szabo, L. G., 1990: Occurrence and economic significance of two new Mediterranean species Diplotaxis erucoides (Torner) D.C and Ammi majus L. in Hungary

Gulati, B. R.; Sharma, V. K.; Taku, A. K., 1992: Occurrence and enterotoxigenicity of F17 fimbriae bearing Escherichia coli from calf diarrhoea

Steedman, RJ., 1991: Occurrence and environmental correlates of black spot disease in stream fishes near Toronto, Ontario

Steedman, R. J., 1991: Occurrence and environmental correlations of black spot disease in stream fishes near Toronto, Ontario

Chilosi, G.; Corazza, L., 1990: Occurrence and epidemics of yellow rust of wheat in Italy

Eldridge, B. F.; Lanzaro, G. C.; Campbell, G. L.; Reeves, W. C.; Hardy, J. L., 1991: Occurrence and evolutionary significance of a California encephalitis-like virus in Aedes squamiger (Diptera: Culicidae)

Zhou, Y. F.; Luo, Y. X.; Chen, H. S.; Lai, Y. S., 1989: Occurrence and harmfulness of Galleria mellonella L. (Lep.: Pyralidae)

Zimmerli B.; Bosshard E.; Knutti R., 1989: Occurrence and health risk evaluation of toxic trace elements in the diet

Mtisi, E.; Milliano, W. A. J. de, 1991: Occurrence and host range of false mildew, caused by Beniowskia sphaeroidea, in Zimbabwe

Aftab, M.; Mughal, S. M.; Ghafoor, A., 1989: Occurrence and identification of bean yellow mosaic virus from faba bean in Pakistan

Linke, K-H.; Vorlaender, C.; Saxena, MC., 1990: Occurrence and impact of Phytomyza orobanchia (Diptera: Agromyzidae) on Orobanche crenata (Orobanchaceae) in Syria

Burgu, I.; Ozturk, F.; Akca, Y.; Toker, A.; Frey, R. H.; Liess, B., 1990: Occurrence and importance on bovine diarrhoea virus infections in sheep in Turkey

Ludwig Muller, J.; Epstein, E., 1991: Occurrence and in vivo biosynthesis of indole-3-butyric acid in corn (Zea mays L.)

Mehlenbacher, S. A.; Thompson, M. M.; Cameron, H. R., 1991: Occurrence and inheritance of resistance to eastern filbert blight in 'Gasaway' hazelnut

Maeda, K., 1990: Occurrence and its mechanism of single stand emergence by unshelled-seed sowing of groundnuts (Arachis hypogaea L.)

Drean, M. F.; Chevrier, M. C.; Soderling, E.; Isokangas, P.; Trahan, L., 1990: Occurrence and long term maintenance of xylitol-resistant S. mutans population in habitual xylitol consumers

Thorburn, P. J., 1991: Occurrence and management of dryland salinity on the Darling Downs, Queensland

Crane S.W., 1991: Occurrence and management of obesity in companion animals

Werner, Je; Peloquin, Sj, 1991: Occurrence and mechanisms of 2n egg formation in 2x potato

Matioli, J. C.; Rossi, M. M.; Carvalho, C. F., 1990: Occurrence and monthly distribution of Astylus variegatus (Germar, 1824) and A. sexmaculatus (Perty, 1830) (Coleoptera: Dasytidae) in some regions of the Minas Gerais State

Cunha, M. A. S. de; Cruz Landim, C. da; Oliveira Campos, L. A. de, 1990: Occurrence and morphology of the epidermal glands in some species of bees

Schneider, B.; Seemuller, E., 1990: Occurrence and multiplication structures of various MLOs grown in Cuscuta odorata

Kaur, D. J.; Sharma, N. K., 1988: Occurrence and pathogenicity of Meloidogyne arenaria on ginger

James, R. L.; Dumroese, R. K.; Wenny, D. L., 1988: Occurrence and persistence of Fusarium within styroblock and Ray Leach containers

Krause, S.; Prien, S., 1991: Occurrence and predisposing factors of needle discolorations of European larch (Larix decidua Mill.) in the transition zone between the Erzgebirge and Saxon Switzerland

Andersen, Gl; Menkissoglou, O; Lindow, Se, 1991: Occurrence and properties of copper-tolerant strains of Pseudomonas syringae isolated from fruit trees in California

Alacam, E.; Dinc, D. A.; Guler, M.; Elma, E., 1990: Occurrence and radiological studies of different teat lesions in dairy cows

Stacey L.M.; Couvillion C.E.; Siefker C.; Hurst G.A., 1990: Occurrence and seasonal transmission of hematozoa in wild turkeys

Cornely, M.; Schultz, U.; Anders, A., 1990: Occurrence and severity of ectoparasitoses among intensive dairy herds of East Germany

Varga, J., 1990: Occurrence and significance of Campylobacter species in domestic animals in Hungary

Alkaff, O.; Liebermann, H.; Bergmann, A., 1991: Occurrence and significance of enterotoxins in strains of Escherichia coli from bovine mastitis

Fitt, B. D. L.; Jouan, B.; Sultana, C.; Paul, V. H.; Bauers, F., 1991: Occurrence and significance of fungal diseases on linseed and fibre flax in England, France, and Germany

Binder, A., 1990: Occurrence and significance of mycoplasmas in cattle and pigs, a review

Walter, M.; Kucera, L. J., 1990: Occurrence and significance of redheart in beech, examined in three regions of Switzerland

Scott, W. E., 1991: Occurrence and significance of toxic cyanobacteria in Southern Africa

Bashirullah, A. K. M., 1991: Occurrence and site specificity of an isopod Anilocra laticauda H. Milne Edwards, 1840 (Isopoda, Cymothoidae) parasitic on the grunt, Orthopristis ruber (Cuvier) in eastern Venezuela

Lutyk, P., 1988: Occurrence and size of a sister generation of the pine shoot beetle Tomicus piniperda in Poland

Sartori, M. R.; Pacheco, I. A.; Iaderoza, M.; Taylor, R. W. D., 1990: Occurrence and specificity of malathion resistance in stored grain insect pests in Sao Paulo state

Nussbaum P.; Bahr, I., 1991: Occurrence and spread of Carpophilus marginellus Mots. (Coleoptera: Nitidulidae) in an industrial plant in Thuringia

Mutti, P.; Quintavalla, S., 1989: Occurrence and stability of patulin in fruit products

Kocon, J., 1988: Occurrence and structure of compression wood in European fir (Abies alba Mill.) and Douglas fir (Pseudotsuga menziesii F.) as revealed by electron microscopy and X-rays diffraction

Kocon, J., 1987: Occurrence and structure of the warty layer in tracheids of some species of fir trees as investigated by the use of electron scanning microscope

Watanabe, F.; Nakano, Y.; Tachikake, N.; Tamura, Y.; Yamanaka, H.; Kitaoka, S., 1990: Occurrence and tissue distribution of both NADH- and NADPH-linked aquacobalamin reductases in some vertebrates

McFadden, H. G., 1985: Occurrence and toxicity of mycotoxins in Zimbabwean maize

Vreman, K.; Vanbelle, M.; Borger, R. de; Teller, E., 1992: Occurrence and toxicological implications of heavy metals in the agricultural food chain

Egri, B., 1990: Occurrence and treatment of biting louse (Werneckiella equi equi) infestation in a foal stock in Hungary

Awa, J. N.; Alegbeleye, W. O., 1991: Occurrence and treatment of cracked-skull disease affecting Clarius spp. in homestead ponds in Nigeria

Nierzwicki-Bauer, Sa; Aulfinger, H., 1991: Occurrence and ultrastructural characterization of bacteria in association with and isolated from Azolla caroliniana

Kim, D. H.; Lee, G. H.; Park, J. W.; Hwang, C. Y., 1991: Occurrence aspects and ecological characteristics of the foxglove aphid, Aulacorthum solani Kaltenbach (Homoptera: Aphididae) in soybean

Maurer, P.; Royer, C.; Mauchamp, B.; Porcheron, P.; Debieu, D.; Riba, G., 1991: Occurrence of 28- and 27-carbon ecdysteroids and sterols in developing worker pupae of the leaf-cutting ant Acromyrmex octospinosus (Reich) (Hymenoptera, Formicidae: Attini)

Fujitake, N.; Azuma, J., 1991: Occurrence of 7,7'-biphyscion in Japanese soils

Campillo, E. del; Lewis, L. N., 1992: Occurrence of 9.5 cellulase and other hydrolases in flower reproductive organs undergoing major cell wall disruption

Silva, I. G. da; Araujo, E. S. O.; Silva, H. H. G. da; Soares, A. W.; Cantuaria, P. B., 1991: Occurrence of Aedes (Stegomyia) aegypti (Linnaeus, 1762) (Diptera; Culicidae) in Goiania

Kohn, M., 1991: Occurrence of Aedes aegypti (L.) and Culex quinquefasciatus Say (Diptera, Culicidae) in houses of different constructions in Phnom Penh, Kampuchea

Jakubczak, A.; Anusz, Z.; Bernad, A., 1992: Occurrence of Aeromonas hydrophila strains in fish in Olsztyn region and their drug resistance

Kim, Y. H.; Yu, Y. H.; Cho, D. H.; Ohh, S. H., 1990: Occurrence of Alternaria blight and ginseng yield in different shades

Rane, K. K.; Wick, R. L., 1990: Occurrence of Alternaria gomphrenae in North America

Kaul, A. K.; Ghani, M. Y., 1990: Occurrence of Alternaria tenuissima on mungbean in India

Kubo, R. K.; Filho, A. B., 1992: Occurrence of Amorbia spp. (Lepidoptera: Tortricidae) in guava fruits (Psidium guajava L.), in the region of Campinas

Russo, V. M.; Rossman, A. Y., 1991: Occurrence of Amphobotrys ricini on prostrate spurge in Oklahoma

Zaim, M.; Javaherian, Z., 1991: Occurrence of Anopheles culicifacies species A in Iran

Kagiwata, T., 1990: Occurrence of Anthurium anthracnose in Japan

Bhardwaj, S. C.; Seth, P. K.; Shandilya, T. R., 1991: Occurrence of Aphanocladium album on mushroom beds

Neeta Nigam; Kushwaha, R. K. S., 1990: Occurrence of Arthrographis kalrai on human hair

Lim, T. K.; Ibrahim, Y. B.; Tang, M. K.; Liew, R., 1991: Occurrence of Aschersonia placenta and Hypocrella raciborskii on Asterolecanium ungulata in Durian (Durio zibethinus)

Vorob' eva, Yu V.; Gridnev, V. V.; Bashaeva, E. G.; Pospelova, L. A.; Kvasnyuk, N. Ya; Kuznetsova, L. N.; Shemyakina, V. P.; Morozova, E. V.; Zherebtsova, L. N.; Rozal' eva, V. V., 1991: Occurrence of Asuperscript 2 mating type isolates of Phytophthora infestans (Mont.) D By. in the USSR

Ranjana Nagaraj, 1989: Occurrence of Azotobacter and Beijerinckia in forest soils of Maharashtra

Mielitz, L. R.; Silva, L. da, 1992: Occurrence of Beauveria bassiana (Bals.) Vuill in adults of Oryzophagus oryzae (Costa Lima, 1936) (Col., Curculionidae)

Padmanaban, B.; Chaudhary, R. G.; Gangwar, S. K., 1990: Occurrence of Beauveria velata Samson & Evans on some lepidopteran rice pests

Pakandl, M., 1991: Occurrence of Blastocystis sp. in pigs

Pereira, R. P.; Silva, S. C. da, 1988: Occurrence of Blissus leucopterus on pasture in Rio de Janeiro state

Martin, P.; Bigaignon, G.; Gillion, P.; Thirion, A.; Fain, A., 1990: Occurrence of Borrelia burgdorferi and the distribution of its vector Ixodes ricinus (Acari: Ixodidae) in the Meuse district, Belgium

Lakshmanan, P.; Mohan, S., 1989: Occurrence of Botryodiplodia theobromae on Gossypium

Silva, D. M. P. da, 1990: Occurrence of Calloeneis on cochineal in Alagoas

Weidauer, M.; Kotsche, W., 1992: Occurrence of Campylobacter coli in a boar rearing unit in Thuringia

El Gamal Galal, B.; Refaie, R. S.; El Ailla, A. A. A., 1992: Occurrence of Campylobacter in poultry carcasses

Glunder, G.; Neumann, U.; Braune, S.; Pruter, J.; Petersen, S.; Vauk, G., 1991: Occurrence of Campylobacter spp. and Salmonella spp. in gulls in northern Germany

Koike, S. T.; Butler, E. E.; Greathead, A. S., 1992: Occurrence of Cercosporidium punctum on fennel in California

Mohan, L.; Jeyarajan, R., 1991: Occurrence of Cerebella andropogonis on secretions of Sphacelia sorghi on sorghum

Gerbermann, H.; Korbel, R., 1992: Occurrence of Chlamydia psittaci among free- living raptors

Kruszewicz, A. H.; Paszowska, K., 1992: Occurrence of Chlamydia psittaci in house sparrows (Passer domesticus)

Marin, M., 1987: Occurrence of Chrysopa carnea Steph. (Neuroptera-Chrysopidae) in maize crops

El Rahman, H. A.; Eisa, I. A. M.; Yassien, M. A., 1989: Occurrence of Clostridium perfringens in fish and molluscs

Humble, L. M., 1991: Occurrence of Coccinella septempunctata (L.) (Coleoptera: Coccinellidae) in central British Columbia

Filho, A. B.; Leite, L. G.; Cruz, B. P. B., 1989: Occurrence of Cordyceps sp. on immature forms of Anticarsia gemmatalis Hubner, 1818

Hintz, J., 1991: Occurrence of Corynebacterium suis in the urogenital tract of boars, examined by fluorescence microscopy

Rehacek, J.; Kovacova, E.; Lisak, V.; Rumin, W., 1990: Occurrence of Coxiella burnetii, Rickettsia slovaca, and organisms resembling bacillary rickettsiae in their natural foci in Slovakia 20 years after their first detection

Da Silva, N. B. S.; Falci, V. S. N.; Azevedo, J. S. C.; Chaplin, E. L.; De Araujo, F. A., 1990: Occurrence of Cryptosporidium parvum in sheep in Guaiba district, RS

Joshi, V.; Bansal, SK., 1991: Occurrence of Culex vishnui group of mosquitoes in the rural areas of a desert district (Bikaner)

Cheah, T. S.; Rajamanickam, C., 1991: Occurrence of Culicoides spp. (Diptera: Ceratopogonidae) in sheep sheds and their relevance to bluetongue in Peninsular Malaysia

Albuquerque, G. S., 1991: Occurrence of Cymoninus notabilis (Distant) and Pseudopachybrachius vincta (Say) (Hemiptera: Lygaeidae) in the rice crop in Rio Grande do Sul, Brazil

Letkova, V.; Mituch, J.; Kocis, J.; Csizsmarova, G., 1989: Occurrence of Cysticercus tenuicollis in cloven-footed game animals in Slovakia (Czechoslovakia)

Costa, H. M. de A.; Lima, W. dos S., 1988: Occurrence of Dioctophyme renale (Goeze, 1782) in Minas Gerais state

Muzzall, P. M.; Sweet, R. D.; Milewski, C. L., 1990: Occurrence of Diplostomum sp. (Trematoda: Diplostomatidae) in pond-reared walleyes from Michigan

Demiaszkiewicz, A. W.; Lachowicz, J., 1990: Occurrence of Eimeria oocysts in roe deer and red deer in the Borecka forest

Leite, L. G.; Machado, L. A.; Filho, A. B.; Silva, E. M. da, 1989: Occurrence of Entomophaga sp. on adults of Lagria villosa, Fabr. 1781, (Coleoptera: Lagriidae), in Santo Antonio de Posse and Araras, Sao Paulo, Brazil

Hale, C. N.; McRae, E. M.; Thomson, S. V., 1987: Occurrence of Erwinia amylovora on apple fruit in New Zealand

Lourencao, A. L.; Martins, F. P.; Alarcon, L. C. M., 1989: Occurrence of Eurhizococcus brasiliensis (Hempel) (Homoptera: Margarodidae) on grape at Louveira, State of Sao Paulo

Alaboudi, A. R.; Hammed, D. A.; Alani, A. J., 1989: Occurrence of Fasciola gigantica in a lung of sheep in Mosul, Iraq

Quesada, A.; Russillo, A.; Rosa, P.; Cringoli, G., 1991: Occurrence of Fasciola hepatica and Dicrocoelium dendriticum in sheep flocks in a mountainous district of the Basilicata region

Brammall, R.; Lynch, K., 1990: Occurrence of Fusarium crown and root rot of tomato in New Brunswick, Canada

James, R. L.; Gilligan, C. J., 1988: Occurrence of Fusarium on the roots of nondiseased bareroot Douglas-fir seedlings. USDA Forest Service Nursery, Coeur d'Alene, Idaho

Logrieco, A.; Bottalico, A.; Ricci, V., 1990: Occurrence of Fusarium species and their mycotoxins in cereal grains from some Mediterranean countries

Russo, V. M.; Patterson, C. L., 1991: Occurrence of Fusarium stalk rot on a supersweet corn cultivar in Oklahoma

Duskova, E.; Kovacikova, E., 1989: Occurrence of Fusarium wilt depending on substrate composition

Wick, R. L.; Haviland, P., 1992: Occurrence of Fusarium wilt of basil in the United States

Gupta, A. K., 1990: Occurrence of Fusarium wilt of mustard in Rajasthan

Sattar, M. H. A.; Bahamish, H. S., 1990: Occurrence of Fusarium wilt on potato in Democratic Yemen

Gaye, M. M.; Ormrod, D. J.; Seywerd, F. M.; Odermatt, W. J., 1991: Occurrence of Fusarium yellows on celery in southwestern British Columbia and evaluation of cultivars for disease tolerance

LeChevallier, MW.; Norton, WD.; Lee, RG., 1991: Occurrence of Giardia and Cryptosporidium spp. in surface water supplies

Reddy, M. V.; Kumar, V. P. K.; Reddy, B. K., 1992: Occurrence of Gonocephalum sp. (Tenebrionidae: Coleoptera) as a pest of groundnut in India

LaMondia, J. A.; Wick, R. L., 1992: Occurrence of Heterodera iri in putting greens in the northeastern United States

Ozer, E., 1990: Occurrence of Isospora heissini (Svanbaev 1955) in turkeys in south-eastern Anatolia

Prell, A.; Weber, A.; Potel, J., 1993: Occurrence of Listeria among reptiles kept as pets

Marth, E. H.; Ryser, E. T., 1990: Occurrence of Listeria in foods: milk and dairy foods

Singh, R. S.; Chander, H., 1990: Occurrence of Listeria monocytogenes in milk and milk products

Tiwari, N. P.; Aldenrath, S. G., 1990: Occurrence of Listeria species in food and environmental samples in Alberta

Hofer, E.; Ribeiro, R., 1990: Occurrence of Listeria species in frozen shrimp

Harvey, J; Gilmour, A., 1992: Occurrence of Listeria species in raw milk and dairy products produced in Northern Ireland

Villalobos, M. J. P.; Jellis, G. J., 1992: Occurrence of Melampsora euphorbiae in Euphorbia lagascae in south-east Spain

Kalvelage, H.; Brose, E., 1990: Occurrence of Meloidogyne incognita (Kofoid and White, 1919) Chitwood, 1949 parasitizing forage legumes at Santa Catarina State, Brazil

De Oliveira, C. M. B.; Ribeiro, V. L. S., 1990: Occurrence of Menacanthus cornutus (Mallophaga: Menoponidae) on chickens in the State of Rio Grande do Sul

Varma, G. C.; Vyas, R. S.; Brar, K. S., 1990: Occurrence of Menochilus sexmaculatus (Fabricius) on different aphid species

Shastri, U. V.; Narladkar, B. W.; Wadajkar, S. V., 1990: Occurrence of Mesoknemidokoptes larvis gallinae (Railliet, 1887) in domestic fowl (Gallus gallus domesticus) in Maharashtra

Torikura, H., 1989: Occurrence of Metopolophium dirhodum (Walker) (Homoptera: Aphididae) in Japan

Jayaraj, S.; Mohanasundaram, M.; Parameswaran, S.; Balasubramanian, G.; Pillayarsamy, K., 1989: Occurrence of Mycopsylla fici (Tryon) (Psyllidae: Homoptera) as a pest of Ficus amplissima (Smith) in Coimbatore

Wadibhasme, S. S.; Patil, M. R.; Sapkal, P. N.; Ingole, O. V., 1989: Occurrence of Myrothecium leaf spot on groundnut in Vidarbha Maharashtra

Hokkanen, H. M. T.; Lipa, J. J., 1991: Occurrence of Nosema meligethii I. & R. in populations of Meligethes aeneus L. in Finland

Halperin, J., 1992: Occurrence of Oligomerus ptilinoides in Israel

Daoud, M. S.; Al Alousi, T. I., 1988: Occurrence of Onchocerca armillata (Railliet and Henry 1969) in cattle in Mosul, Iraq

Bharat, M. P., 1991: Occurrence of Orobanche in Nepal

Roy, B.; Tandon, V., 1989: Occurrence of Orthocoelium dinniki Eduardo, 1985 and Orthocoelium parvipapillatum (Stiles and Goldberger, 1910) Eduardo, 1985 among Indian ruminants

Trewick, S. A., 1990: Occurrence of Papilio, Graphium and Charaxes butterflies in Ugandan forests

Cappelli, C; Buonaurio, R; Polverari, A., 1991: Occurrence of Penicillium corymbiferum on saffron in Italy

Bus, V. G.; Bongers, A. J.; Risse, L. A., 1991: Occurrence of Penicillium digitatum and P. italicum resistant to benomyl, thiabendazole and imazalil on citrus fruit from different geographic origins

Hati, A. K.; Sur, S.; De, N.; Dwivedi, H. N., 1989: Occurrence of Phlebotomus argentipes at different heights above ground floor in cowsheds

Bansal, R. K.; Sobti, A. K., 1990: Occurrence of Phoma leaf blight of groundnut

Nie, P.; Kennedy, CR., 1992: Occurrence of Phyllodistomum folium (Olfers) (Digenea) in the eel, Anguilla anguilla (Linnaeus), in a small river

Ali Shtayeh, M. S.; MacDonald, J. D., 1991: Occurrence of Phytophthora species in irrigation water in the Nablus area (West Bank of Jordan)

Magliocco, A.; Miller, K.; Robertson, D. I.; Gill, M. J., 1991: Occurrence of Pneumocystis carinii organisms in a peritoneal effusion from a patient with the acquired immunodeficiency syndrome

Carnegie, S. F.; Cameron, A. M., 1990: Occurrence of Polyscytalum pustulans, Phoma foveata and Fusarium solani var. coeruleum in field soils in Scotland

Kaur, D.; Sharma, K.; Khan, M. L., 1989: Occurrence of Pratylenchus zeae Graham, 1951 on ginger Zingiber officinale (Rosc.) in Himachal Pradesh

Smith, V. L., 1991: Occurrence of Procerum root disease caused by Leptographium procerum on white pine in Connecticut

Valtonen, E. T.; Rintamaki, P., 1989: Occurrence of Proteocephalus percae and P. cernuae in the perch and ruff in northern Finland

Camporese, P.; Scaltriti, G. P., 1991: Occurrence of Pseudococcus microcirculus McKenzie (Homoptera, Coccoidea) on greenhouse cultivated orchids

Rodrigues Neto, J.; Malavolta, V. A, Jr; Ramos, R. S.; Sinigaglia, C., 1990: Occurrence of Pseudomonas corrugata on tomato in the State of Sao Paulo

Kishore, V.; Sunaina, V.; Shekhawat, G. S., 1991: Occurrence of Pseudomonas solanacearum race 1 in high hills, a new report from India

Malavolta, V. A, Jr; Rodrigues Neto, J.; Robbs, C. F.; Barros, B. C., 1990: Occurrence of Pseudomonas syringae pv. coronafaciens on oat in the State of Sao Paulo

Varvaro, L.; Magro, P.; Mainolfi, P., 1990: Occurrence of Pseudomonas viridiflava in Actinidia deliciosa in Italy

Guirgis, SS., 1992: Occurrence of Psorophora howardii in Suffolk County, Long Island, New York

Uematsu, S.; Namekata, T.; Hayashi, K.; Zenbayashi, R.; Sekiyama, K., 1991: Occurrence of Pythium blackleg of Geranium caused by Pythium aphanidermatum and P. splendens in Saitama Prefecture

Shirata, A.; Sato, M.; Kon, Y.; Sugawara, H., 1988: Occurrence of Ramularia leaf spot of sugarbeet in South Tokachi District

Morava, P.; Babicka, L.; Skokanova, J., 1991: Occurrence of S-triazine herbicides in milk and effect on quality of milk and milk products

Weber, A.; Broos, H.; Wachowitz, R.; Heil, G.; Schultze Rhonhof, J., 1990: Occurrence of Salmonella choleraesuis in wild boar (Sus scrofa)

Radkowski, M., 1990: Occurrence of Salmonella spp. in hens eggs

Lima, L. C.; Souza, C. P. de, 1989: Occurrence of Sarasinula marginata (Mollusca: Soleolifera) in Belo Horizonte, MG, Brazil

Fripp, P. J.; Joubert, J., 1991: Occurrence of Schistosoma mattheei-like eggs in a spinal cord lesion

Padmavathi, T.; Veeraswamy, J.; Venkateswarlu, K., 1990: Occurrence of Sclerocystis species in semi-arid soils of India

Bergmann, E. C.; Stradioto, M. F.; Brisolla, A. D., 1988: Occurrence of Selenaspidus articulatus (Morgan, 1889) in rubber (Hevea brasiliensis Muell. Arg.) plantations in Olimpia, Sao Paulo state

Umesh Chandra; Saxena, S. K., 1990: Occurrence of Sphaerotheca fuliginea (Schlecht ex. Fr.) Poll. on guar bean (Cyamopsis tetragonoloba L.) Taub. in and around Aligarh

Prasad, C.; Singh, R. S.; Chander, H., 1990: Occurrence of Staphylococcus aureus enterotoxins in buffalo udders

Dalmacio, I. F.; Guzman, P. P. de; Cruz, E. T. dela, 1988: Occurrence of Staphylococcus aureus in some Philippine foods and its enterotoxins in smoked fish (Sardinella longiceps C.V.)

Ohtani, T.; Takafuji, A.; Inoue, M., 1991: Occurrence of Tetranychus kanzawai Kishida and its predators in an eggplant field sprayed with three synthetic pyrethroids

Rao, S. S.; Rao, S. N.; Azam, K. M., 1990: Occurrence of Tetranychus urticae Koch on greengram (Vigna radiata)

Silva, I. G. da; Silva, H. H. G. da; Elias, M., 1992: Occurrence of Triatoma williami Galvao, Souza & Lima, 1965 in human dwellings in Fazenda Nova, Goias, Brazil

Roiger, Dj; Jeffers, Sn; Caldwell, Rw, 1991: Occurrence of Trichoderma species in apple orchard and woodland soils

Ray, R., 1989: Occurrence of Trypanosoma mega and Trypanosoma karyozeukton (Kinetoplastida, Trypanosomatidae) in anuran amphibians of West Bengal, India

Agbede, R. I. S., 1988: Occurrence of Trypanosoma theileri, T. vivax in the gut and haemolymph of Rhipicephalus sulcatus (Newman, 1908) ticks and their possible epizootiological significance in Nigeria

Inomoto, M. M.; Monteiro, A. R.; Ferraz, L. C. C. B., 1991: Occurrence of Tylenchulus semipenetrans and Meloidogyne incognita on persimmon in Brazil

Indra Hooda; Saini, L. C., 1990: Occurrence of Uromyces trifolii (DC) Lev. on Trifolium resupinatum L

Martins, M. T.; Pessoa, G. V. A.; Sanchez, P. S.; Sato, M. I. Z.; Coimbrao, C. A.; Monteiro, C. K.; Marques, E., 1991: Occurrence of V. cholerae 0:1 non-toxigenic in wastewaters from Sao Paulo, Brazil

Howard, R. J.; Huang, H. C.; Traquair, J. A.; Moskaluk, E. R.; Kokko, M. J.; Phillippe, L. M., 1991: Occurrence of Verticillium wilt of alfalfa in southern Alberta, 1980-86

Moustafa, M. K., 1990: Occurrence of Yersinia enterocolitica in ice cream in Assiut city

Tsai, S. J.; Chen, L. H., 1991: Occurrence of Yersinia enterocolitica in pork products from Northern Taiwan

Falcao, D. P., 1991: Occurrence of Yersinia spp. in foods in Brazil

Somodi, G. C.; Jones, J. B.; Hopkins, D. L.; Stall, R. E.; Kucharek, T. A.; Hodge, N. C.; Watterson, J. C., 1991: Occurrence of a bacterial watermelon fruit blotch in Florida

Macruz, R.; Franco, R. M., 1989: Occurrence of a case of granulomatous encephalomyelitis in a Thoroughbred horse caused by nematodes

Sharma, S., 1988: Occurrence of a diopsid fly on rice in Nagaland, India

Srinivas P.R.; Pasalu I.C., 1990: Occurrence of a fungal disease on brown planthopper of rice

Mayr, B.; Schleger, W.; Kalat, M.; Reifinger, M., 1990: Occurrence of a giant chromosome in variable number in a canine anaplastic carcinoma as a cytogenetic expression of tumour evolution

Zimowski J., 1991: Occurrence of a glucosyltransferase specific for solanidine in potato plants

Sidek Z.; Kwee L.T., 1990: Occurrence of a mosaic virus in guava

Bhardwaj, S. C.; Nayar, S. K.; Prashar, M.; Kumar, J., 1991: Occurrence of a new variant 117-2 of Puccinia graminis f.sp. tritici in India

Brown, EE.; Brown, JD., 1990: Occurrence of a northern cicada, Okanagana rimosa (Homoptera: Cicadidae), in the southern Appalachians

Hammer, T.; Bode, R.; Birnbaum, D., 1991: Occurrence of a novel yeast enzyme, L-lysine epsilon -dehydrogenase, which catalyses the first step of lysine catabolism in Candida albicans

Suski, Z. W., 1989: Occurrence of a respiratory apparatus in eggs of some mite species (Acarina)

Rao, N. G.; Sikander Ali; Reddy, M. S., 1989: Occurrence of a severe rust on jasmine (Jasminum auriculatum Vahl) by Uromyces hobsoni Vize in Andhra Pradesh

Iizuka, N.; Charchar, M. J. d' A., 1991: Occurrence of a strain of bean rugose mosaic virus on soybean (Glycine max) in Central Brazil

Gupta, V. P.; Naqvi, Q. A.; Zaidi, Z. B.; Shah, S. M. A., 1990: Occurrence of a virus causing mosaic disease of carrot

Karatzias, H., 1992: Occurrence of abomasal displacement among dairy cows in Greece

Zdzitowiecki, K., 1990: Occurrence of acanthocephalans in fishes of the open sea off the South Shetlands and South Georgia (Antarctic)

Momonoki, Ys, 1992: Occurrence of acetylcholine-hydrolyzing activity at the stele-cortex interface

Ruuska, T., 1992: Occurrence of acute diarrhea in atopic and nonatopic infants: the role of prolonged breast-feeding

Dwivedi, P. N., 1990: Occurrence of aerobic bacteria in chicken diarrhoea and their in vitro drug sensitivity test

Pillai, R. A. V.; Khan, M. M. H.; Reddy, V. P., 1990: Occurrence of aerobic spore formers in butter and ice cream

Sinha, K. K.; Sinha, A. K., 1988: Occurrence of aflatoxin and Aspergillus flavus in marketed wheat

Pawan Jee; Prasad, J. S.; Singh, P. K., 1990: Occurrence of aflatoxin and Aspergillus flavus in stored paddy seeds

Jodral, M.; Bentabol, A.; Rojas, F. J.; Guerra, A., 1992: Occurrence of aflatoxin and aflatoxigenic moulds in cotton seeds

Balaraman, N.; Gupta, H. K., 1990: Occurrence of aflatoxin in the livestock feeds of Sikkim

Oliveira, V. de; Mesquita, A. J.; Serafini, A. B.; Ribeiro, J. L.; Silva, M. do R. R., 1991: Occurrence of aflatoxins B1 and G1 in commercial groundnuts in Goiania - GO, Brazil

Aziz, Nh; Youssef, Ya, 1991: Occurrence of aflatoxins and aflatoxin-producing moulds in fresh and processed meat in Egypt

Lanikova, A.; Diblikova, I.; Sisak, M., 1992: Occurrence of aflatoxins in mixed feeds for poultry

Naguib, K.; Naguib, M. M.; Daib, M. M.; Sahab, A. F.; Amra, H., 1988: Occurrence of aflatoxins in several groundnut cultivars infected with strains of Aspergillus flavus

Bandyopadhyay, R.; Mughogho, L. K.; Satyanarayana, M. V., 1991: Occurrence of airborne spores of fungi causing rain mould over a sorghum crop

Kannowski, P. B., 1991: Occurrence of alates of the Neotropical ant, Paraponera clavata (Hymenoptera, Formicidae) at lights during the dry-wet seasons interface in Panama

Banhidi, G.; Eperjesi, I.; Salyi, G., 1991: Occurrence of an acute poisoning due to bitter lupins in a pig herd

Stobbs, L. W.; Cerkauskas, R. F.; Reynolds, L. B.; McKeown, A. W., 1991: Occurrence of an aphid-transmissible sweet potato feathery mottle virus in Ontario, Canada

Barklund, P., 1989: Occurrence of and interaction between Gremmeniella abietina and endophytic fungi in two conifers

Zhou, Z. J.; Huang, L. J.; Lin, Q. Y.; Xie, L. H., 1989: Occurrence of and the varietal resistance against sugarcane mosaic

Horimoto, K., 1990: Occurrence of anemone (Anemone coronaria L.) foot rot disease

Yi, Y. K.; Park, E. K.; Kim, J. H., 1990: Occurrence of angular leaf spot symptom on tobacco plants caused by non-toxin-forming mutant of wild fire pathogen, Pseudomonas syringae pv. tabaci in Korea

Bornemann, U., 1990: Occurrence of antibiotic-resistant enterobacteria in farmed carp

Bornemann, H., 1989: Occurrence of antibiotic-resistant strains of Aeromonas in farmed carp

Bunka, S.; Jeckstadt, S.; Oltrogge, A.; Schoss, P.; Petzoldt, K., 1990: Occurrence of antibodies to Actinobacillus pleuropneumoniae in porcine serum. Frequency and distribution of serovars 2, 3, 7 and 9

Weber, A.; Heim, U.; Schafer, R., 1991: Occurrence of antibodies to Borrelia burgdorferi in dogs of a small animal practice in northern Bavaria

Sykora, J.; Minar, J.; Petrikova, O.; Vokoun, P.; Gojda, M., 1990: Occurrence of antibodies to Borrelia in dogs

Titenko, A. M.; Borisova, T. I.; Zorin, V. L.; Solodun, Yu V.; Petrov, E. A.; Ivanov, M. K.; Malikov, N. G.; Kotenko, Yu G.; Kumarev, V. P., 1990: Occurrence of antibodies to a morbillivirus of Baikal seals (Phoca sibirica) in the natural host

Sharma, J. P.; Khajuria, D. R., 1991: Occurrence of apple fruit moth (Argyresthia conjugella Zeller) in Lahaul Valley of Himachal Pradesh, India

Nielson, Kk; Mahoney, Aw; Rogers, Vc, 1991: Occurrence of arsenic in seafoods from fast foods analyzed by X-ray fluorescence

Skardova I., 1991: Occurrence of ascites abdominalis in dogs

Evans, T. A., 1991: Occurrence of asparagus virus I and asparagus virus II on asparagus in Delaware

Mohapatra, G.; Parida, B. B., 1989: Occurrence of autosomal monosomic female black rat from a radioactive area - a cytogenetic sport

Dreiseitl, A., 1990: Occurrence of barley rust (Puccinia hordei) in the years 1979 to 1989 on a collection of selected genotypes of spring barley

Henry, M; Dedryver, Ca, 1991: Occurrence of barley yellow dwarf virus in pastures of western France

Stanarius, A.; Proeseler, G.; Siebert, U., 1991: Occurrence of barley yellow mosaic virus and barley mild mosaic virus in different barley genotypes growing in one and the same infested field

Toshima, I.; Watanabe, K.; Iida, Y., 1991: Occurrence of barley yellow mosaic virus; strain III in two-rowed barley cultivar Misato Golden at Ogawa, Simodate city Ibaraki Prefecture

Sieber R.; Buetikofer U.; Baumann E.; Bosset J.O., 1990: Occurrence of benzoic acid in fermented milk products and cheese

Jindal, K. K.; Sharma, R. C., 1988: Occurrence of biovar-1 of Agrobacterium tumefaciens on almond in India

Wojciechowska Kot, H.; Mikoajska, J., 1988: Occurrence of black leg and leaf spots on sugar beet cultivated in longstanding monoculture

Travis, J. W.; Rytter, J. L.; Hickey, K. D., 1991: Occurrence of black rot and white rot cankers on apple in Pennsylvania

Buntin, GD., 1989: Occurrence of blister beetles (Coleoptera: Meloidae) in Georgia alfalfa

Rao, P. B.; Rao, D.; Kumar, N.; Madhekar, D. R., 1990: Occurrence of bots in a wild ass (Equinus hemionus pollas)

Birgel, E. H.; D' Angelino, J. L.; Garcia, M.; Benesi, F. J.; Zogno, M. A., 1991: Occurrence of bovine leukosis virus infection in Sao Paulo State

Gardner, D. E., 1991: Occurrence of breadfruit rust, caused by Uredo artocarpi, in Hawaii

Sadowski, S., 1988: Occurrence of broad bean (Vicia faba L.) diseases in Olsztyn-Elblag and Bydgoszcz Provinces

Gupta, B. M., 1990: Occurrence of brown wheat mite, Petrobia latens (Muller) on cumin in Rajasthan

Gouvea, G.; Roxo, E.; Lima, M. A. B. S.; Homerich, D., 1989: Occurrence of brucellosis in goats from Sao Paulo State

Jedrzejczak, R.; Szteke, B., 1991: Occurrence of cadmium and lead in milk formulas, milk-cereal formulas and cereal products for infants and children up to 3 years of age

Pereira, C. L.; Baule, C.; Costa, R.; Langa, A., 1989: Occurrence of caprine arthritis-encephalitis in Mozambique

Heyer, W.; Wetzel, T., 1990: Occurrence of cereal leaf beetles (Oulema melanopus L. and O. lichenis Voet) and updating of the control threshold

Mukammeluddin, A.; Islam, M. A.; Hossain, S. M. A., 1988: Occurrence of certain parasitic infections in apparently healthy rural cattle of Bangladesh

Onkar Singh; Haware, M. P., 1990: Occurrence of chickpea root rot disease in Rajasthan, India

Kaneko, K.; Nabeya, M.; Ogino, H.; Nakabayashi, D.; Watanabe, T.; Hoshi, K.; Murayama, J.; Tomidokoro, H.; Nishikata, Y.; Ishikawa, M.; Iwata, K.; Hayashi, K.; Hukushi, H.; Yamaguchi, T.; Hirai, K., 1990: Occurrence of chlamydial abortion in cows in Niigata Prefecture

Okada, N.; Murakami, S.; Miwa, R.; Hara, Y.; Murashima, T.; Ito, N.; Okazaki, Y.; Yamaguchi, T.; Hirai, K., 1992: Occurrence of chlamydial abortion in pigs

Rao, K. S.; Jones, G. P.; Tucker, D. J.; Rivett, D. E., 1990: Occurrence of cis-monoenoic fatty acids in two seed oils of Pittosporum (Pittosporaceae)

Ulbrich, F.; Hendel, C.; Zureck, I.; Schneider, G.; Ehrlich, K.; Richter, M.; Aschmann, L.; Muller, C., 1991: Occurrence of clinical signs in lactating sows infected with porcine respiratory coronavirus

Chattopadhyay, A. K.; Bagchi, B. N., 1989: Occurrence of club root disease on rapeseed mustard in West Bengal

Srinivasan, N., 1991: Occurrence of coconut leaf rot in relation to root (wilt) disease

Quehenberger, P.; Schuller, W.; Awad Masalmeh, M., 1990: Occurrence of complement-fixing antibodies against Chlamydia psittaci and Toxoplasma gondii in pigs in the individual counties of Austria

Costantini V.; Zacharski L.R.; Memoli V.A.; Kudryk B.J.; Rousseau S.M.; Stump D.C., 1991: Occurrence of components of fibrinolysis pathways in situ in neoplastic and nonneoplastic human breast tissue

Adjid, R. M. A.; Mangunwiryo, H., 1991: Occurrence of contagious ecthyma (orf) in goats and sheep in West Java

Jindal, K. K.; Ved Ram; Gupta, G. K., 1990: Occurrence of crown gall on pecan nut plants

Lee, K. W.; Lee, B. C.; Park, H. C.; Lee, Y. S., 1990: Occurrence of cucumber green mottle mosaic virus disease of watermelon in Korea

Lima Neto, V. da C.; Lima, M. L. R. Z. da C.; Souza, V. B. V. de, 1988: Occurrence of cucumber mosaic virus in tomatoes

Pearce, R. B., 1990: Occurrence of decay-associated xylem suberization in a range of woody species

Ali, Z.; Alexis, S. D., 1990: Occurrence of diabetes mellitus after gestational diabetes mellitus in Trinidad

Migheli, Q.; Aloi, C.; Gullino, M. L., 1989: Occurrence of dicarboximide-resistant isolates of Botrytis elliptica in Italy

Antila, P.; Laukkanen, M.; Antila, V.; Salminen, K., 1990: Occurrence of different folate forms in liquid milk products

Bedlan, G., 1992: Occurrence of diseases in vegetables in 1991

Rogers, L. E.; Grant, J. F., 1990: Occurrence of dogwood borer and other selected species of clearwing borer in eastern and middle Tennessee

Mandal, S. K.; Somchoudhury, A. K., 1991: Occurrence of ecotypes in Trichogramma chilonis Ishii (Trichogrammatidae: Hymenoptera)

Warcup J.H., 1990: Occurrence of ectomycorrhizal and saprophytic discomycetes after a wild fire in a eucalypt forest

Maqbool, M. A., 1980: Occurrence of eight cyst nematodes on some agricultural crops in Pakistan

Hominick, WM.; Briscoe, BR., 1990: Occurrence of entomopathogenic nematodes (Rhabditida: Steinernematidae and Heterorhabditidae) in British soils

Winemiller, K. O.; Winsborough, B. M., 1990: Occurrence of epizoic communities on the parasitic copepod Lernaea carassii (Lernaeidae)

Guo, Y. J.; Guo, Z. M.; Zhang, S. L.; Wang, P.; Wang, M.; Chen, Q. H.; Ji, W. J., 1989: Occurrence of equine influenza in epidemic form in Northeast China

Thakur D.K.; Sudhan N.A.; Azmi S.; Gupta M.K., 1990: Occurrence of ethmoturbinate carcinoma in crossbred cows

Kolbl, S.; Lutz, H., 1992: Occurrence of feline spumavirus among cats in Austria, in comparison with feline immunodeficiency virus infection

Amelung, D.; Daebeler, F., 1991: Occurrence of fertile apothecia and the epidemiology of Pyrenopeziza brassicae Sutton & Rawlinson (anamorph: Cylindrosporium concentricum Grev.) in the German Democratic Republic

Osek, J.; Truszczynski, M., 1992: Occurrence of fimbriae and enterotoxins in Escherichia coli strains isolated from piglets in Poland

Das, S. K.; Sharma, K.; Hazarika, A. K.; Sarma, D. K., 1988: Occurrence of foot and mouth disease in the N.E. region of India, 1987

Sestak, K.; Musilova, J.; Kubicek, O.; Alexa, P., 1992: Occurrence of four different rotavirus electropherotypes and some other pathogens causing diarrhoea in pigs in Czechoslovakia

Chakravarty, D. N.; Mohan, N. G. R.; Sehgal, J. L.; Rao, A. E. V., 1992: Occurrence of fragipan in a soil of Assam

Morrison, Wr; Greenwell, P; Law, Cn; Sulaiman, Bd, 1992: Occurrence of friabilin, a low molecular weight protein associated with grain softness, on starch granules isolated from some wheats and related species

Pittet, A; Parisod, V; Schellenberg, M., 1992: Occurrence of fumonisins B1 and B2 in corn-based products from the Swiss market

Dammer, K. H., 1990: Occurrence of fungal diseases on the stem base of winter rye plants

Harish Kumar; Roy, A. N., 1990: Occurrence of fungal rot of turmeric (Curcuma longa) rhizomes in Delhi market

Fukami, M.; Ishii, K., 1991: Occurrence of garlic latent virus (GLV) and onion yellow dwarf virus (OYDV) on seedless Welsh onions Bozushirazu in Chiba Prefecture, and influence of their infection on their yield

Mattos Junior, D. G., 1991: Occurrence of gastro-intestinal nematodes of domestic ruminants in Oriximina, State of Para, Brazil

Ruetze, M.; Schmitt, U.; Liese, W., 1989: Occurrence of gelatinous fibres in the mid vein of Quercus robur leaves

Agran, M. K.; Terlizzi, B. di; Boscia, D.; Minafra, A.; Savino, V.; Martelli, G. P.; Askri, F., 1990: Occurrence of grapevine virus A (GVA) and other closteroviruses in Tunisian grapevines affected by leafroll disease

Rao, G. P.; Singh, H. N., 1990: Occurrence of grassy shoot disease's pathogen (MLO) of sugarcane on Imperata arundinacea in India

Dinger, J. S.; Wunsch, D. R.; Kemp, J. E., 1990: Occurrence of ground water in mine spoil, a renewable resource: Star Fire Tract, Eastern Kentucky

Torp, M.; Gjein, H., 1990: Occurrence of haemolytic Treponema spp in Norwegian breeding herds

Iwasaki, S; Hamano, S., 1991: Occurrence of haploid cells bearing Y chromosomes in bovine embryos fertilized in vitro

Bukovjan, K.; Bukovjanova, E.; Sebesta, J.; Bryckova, E., 1991: Occurrence of heavy metals in organs and musculature of field hares in central and eastern Bohemia

Radwan, S.; Kowalik, W.; Kowalczyk, C., 1990: Occurrence of heavy metals in water, phytoplankton and zooplankton of a mesotrophic lake in eastern Poland

Khrustalev, A. V.; Savinetskii, A. B., 1992: Occurrence of helminth eggs in Quaternary deposits of animal faeces

Klein, H.; Herzog, A., 1990: Occurrence of hereditary congenital arthromyodysplasia in calves of the Hessen cattle population

Dorschner, K. W.; Kenny, S. T., 1992: Occurrence of hop aphid phagostimulants in the honeydew of aphids

Beier, T. V.; Antykova, L. P.; Gerbina, G. I.; Sargaeva, V. G.; Sidorenko, N. V., 1990: Occurrence of human cryptosporidiosis in Leningrad

Shcherbatenko, I. S.; Oleshchenko, L. T.; Olevinskaya, Z. M., 1991: Occurrence of hypersensitivity and induced resistance to TMV in tobacco plant-regenerants

Principi N.; Marchisio P.; Tornaghi R.; Massironi E.; Onorato J.; Picco P.; Libretti C., 1991: Occurrence of infections in children infected with human immunodeficiency virus

Kazano, H., 1990: Occurrence of insect pests in south-western Japan and measures for their control

Griffin, CT.; Moore, JF.; Downes, MJ., 1991: Occurrence of insect-parasitic nematodes (Steinernematidae, Heterorhabditidae) in the Republic of Ireland

Schroeder, LM., 1990: Occurrence of insects in coniferous roundwood imported to Sweden from France and Chile

Butignol, C. A., 1990: Occurrence of insects in sunflower heads at determined times and flowering stages

Genaro, O.; Costa, C. A. da; Williams, P.; Silva, J. E.; Rocha, N. M.; Lima, S. L.; Mayrink, W., 1990: Occurrence of kala azar in urban Belo Horizonte, MG

Dixit, A. K.; Kushwaha, R. K. S., 1992: Occurrence of keratinophilic fungi on Indian birds

Nigam, N.; Kushwaha, R. K. S., 1990: Occurrence of keratinophilic fungi with special reference to Chrysosporium species in soils of India

Macruz, R.; Davila, H. C., 1989: Occurrence of kidney infection in equines caused by Klossiella equi (Baumann, 1946)

Dick, K. M.; Rees, D. P., 1989: Occurrence of larger grain borer, Prostephanus truncatus (Horn) in Ghana

Bosque Perez, N. A.; Traore, S.; Markham, R. H.; Fajemisin, J. M., 1991: Occurrence of larger grain borer, Prostephanus truncatus, in Burkina Faso

Okunev, A. M., 1990: Occurrence of larvae of Fannia flies in the prepupa of Hypoderma bovis

El Sadek, S. A. M.; Abdel Latif, M. R.; Abdel Gawad, T. I.; El Sakawy, F. S., 1991: Occurrence of leaf blight of basil caused by Pseudomonas syringae in Egypt

Dhiman, J. S.; Arora, J. S., 1990: Occurrence of leaf spot and flower blight of marigold (Tagetes erecta L.) in Punjab

Yu, S. H.; Kim, H. G.; Choi, J. S., 1989: Occurrence of leaf spot disease of sunflower caused by Alternaria helianthi in Korea

Chattannavar, S. N.; Reddy, B. M. R.; Srikant Kulkarni; Yashoda Hegde, 1989: Occurrence of leafspot of mango in Karnataka

Chang, K. F.; Mirza, M.; Hwang, S. F., 1991: Occurrence of lettuce rust in Onoway, Alberta in 1989

Bhat, Ur; Mayer, H; Yokota, A; Hollingsworth, Ri; Carlson, Rw, 1991: Occurrence of lipid A variants with 27-hydroxyoctacosanoic acid in lipopolysaccharides from members of the family Rhizobiaceae

Lavilla-Pitogo, CR.; Baticados, MCL.; Cruz-Lacierda, ER. de la Pena, LD., 1990: Occurrence of luminous bacterial disease of Penaeus monodon larvae in the Philippines

Falk, K.; Lium, B. M.; Odegaard, O., 1990: Occurrence of lung lesions and antibodies to serotypes 2 and 6 of Actinobacillus pleuropneumoniae and Haemophilus parasuis in 5176 slaughter weight pigs from 113 elite herds in Norway

Shastri, U. V.; Degloorkar, N. M., 1990: Occurrence of lung worms, Dictyocaulus viviparus in cattle in association with hepatointestinal schistosomiasis at Parbhani (Maharashtra)

Rezac, P., 1991: Occurrence of lungworms in red deer under various types of management

Radha Pant; Kshama Chaturvedi, 1989: Occurrence of lupeol in Calotropis procera latex

Yousif, AN.; Albright, LJ.; Evelyn, TPT., 1991: Occurrence of lysozyme in the eggs of coho salmon Oncorhynchus kisutch

Aftab, M.; Khalid, S.; Mughal, S. M., 1990: Occurrence of maize dwarf mosaic virus in maize

Lee, H-M.; Parish, EJ.; Bone, LW., 1990: Occurrence of mammalian sex steroids in the free-living nematode, Turbatrix aceti

Mani, M.; Krishnamoorthy, A., 1989: Occurrence of mealybugs and their natural enemies on custard apple around Bangalore, S. India

Tuschak, N.; Hafez, H. M.; Heil, G., 1990: Occurrence of megabacterial infection (debilitating syndrome) in budgerigars and other aviary birds

Harrison, BA.; Bickley, WE., 1990: Occurrence of mesopostnotal setae and scales in the family Culicidae

Halasz, J., 1991: Occurrence of metastrongylosis in wild boar (Sus scrofa) in Slovakia

Sugita, H.; Takayama, M.; Ohkoshi, T.; Deguchi, Y., 1992: Occurrence of microaerophilic bacteria in the water and sediment of a grass carp culture pond

Trivedi, T. P., 1988: Occurrence of mite in the beds of cultivated mushroom

Jeevanandam, T., 1991: Occurrence of mixed populations of sexual and parthenogenetic females in the hard tick Haemaphysalis intermedia

Guimaraes, C. T.; Souza, C. P. de; Soares, D. de M.; Araujo, N.; Schuster, L. M. R., 1990: Occurrence of molluscs in aquaria of ornamental fishes in Belo Horizonte, Minas Gerais, Brazil

Jalali, B.; Molnar, K., 1990: Occurrence of monogeneans on freshwater fishes of Iran: Dactylogyridae from fish of natural waters and description of Dogelius mokhayeri sp. n

Venugopal, N.; Krishnamurthy, K. V., 1988: Occurrence of multinucleate cambial initials in some tropical trees

Trimborn, A.; Kraft, W., 1992: Occurrence of multiple disorders in cats

Fischeder R.; Schulze Roebbecke R.; Weber A., 1991: Occurrence of mycobacteria in drinking water samples

Ranjan, Ks; Sinha, Ak, 1991: Occurrence of mycotoxigenic fungi and mycotoxins in animal feed from Bihar, India

Anfossi, P.; Stracciari, G. L.; Biacchessi, D., 1990: Occurrence of mycotoxins in by-products for animal feeding

Sharma, R. P.; Salunkhe, D. K., 1991: Occurrence of mycotoxins in foods and feeds

Berti Filho, E.; Costa, V. A.; Aageesen, T. L., 1989: Occurrence of natural enemies of Musca domestica L. (Diptera: Muscidae) in poultry areas of Bastos, State of Sao Paulo, Brazil

Naves, R. L.; Campos, V. P., 1991: Occurrence of nematode-trapping fungi in the south of Minas Gerais State (Brazil) and in vitro studies of the predatory capacity and growth of some of their isolates

Huss, H. H.; Drewes, S., 1989: Occurrence of nematodes (Anisakis sp. larvae) in North Sea herring (Clupea harengus). Effect of commerical fish handling

Shakhmatova, V. I.; Litvinov, Yu N., 1987: Occurrence of nematodes of the genus Mastophorus in Siberian lemmings in Taimyr

Nabrzyski, M.; Gajewska, R.; Ganowiak, Z., 1990: Occurrence of nitrates and nitrites in bread and in some other products obtained from flour

Hofmann, G., 1990: Occurrence of nitrosophenols in cured and smoked meat products

Ferrari, J. J. de F.; Leme, M. C. M.; Macruz, R., 1989: Occurrence of non-physiological cardiac hypertrophy in a racehorse

Hartman, J. R.; Kaiser, C. A.; Jarlfors, U. E.; Eschenaur, B. C.; Bachi, P. R.; Dunwell, W. C., 1991: Occurrence of oak bacterial leaf scorch caused by Xylella fastidiosa in Kentucky

Koller, B., 1992: Occurrence of ochratoxin A in samples of liver and kidney from pigs slaughtered in Steiermark, Austria

Schotte, M., 1991: Occurrence of ochratoxin A in slaughter pigs in Nordrhein- Westfalen, Germany

Cirne, M. M. dos S.; Sonego, O. R.; Grigoletti Junior, A., 1988: Occurrence of oospores of Plasmopara viticola, causal agent of vine mildew in the region of Serra Gaucha

Kampe, W.; Leschber, R., 1989: Occurrence of organic pollutants in soil and plants after intensive sewage sludge application

Hale, R. C.; Greaves, J.; Gundersen, J. L.; Mothershead, R.F., : I I., 1991: Occurrence of organochlorine contaminants in tissues of the coelacanth Latimeria chalumnae

Kuzma, R., 1991: Occurrence of ovarian cysts in cows of low fertility

Harel, J; Daigle, F; Maiti, S; Desautels, C; Labigne, A; Fairbrother, Jm, 1991: Occurrence of pap-, sfa-, and afa-related sequences among F165-positive Escherichia coli from diseased animals

Lima, M. L. R. Z. da C.; Gloor, S.; Lima Neto, V. da C.; Souza, V. B. de, 1988: Occurrence of papaya ringspot (type W) virus in marrows in Colombo-PR

Szelagiewicz, M.; Michalski, M. M.; Soko, R., 1992: Occurrence of parasites in wild boar in Olsztyn Province in 1975-1990

Pinheiro, J. B.; Bueno, V. H. P.; Alves, D. G., 1989: Occurrence of parasitoids of Musca domestica L., 1758 (Diptera: Muscidae) in Lavras, Minas Gerais

Aleem, M.; Chaudhry, R. A.; Naeem Ullah Khan; Atta Ur Rehman Rizvi; Ahmad, R., 1990: Occurrence of pathogenic bacteria in buffalo semen

Duong, H. N.; Gaborjanyi, R., 1991: Occurrence of pathogenic potyviruses of maize in Hungary

Nagano, T., 1990: Occurrence of pecky rice caused by releases of four species of rice bugs

Lima Neto, V. da C.; Lima, M. L. R. Z. da C.; Souza, V. B. V. de, 1988: Occurrence of pepper ringspot virus in tomato cultivars

Mandloi, S. C.; Khosla, H. K.; Sharma, H. C.; Goray, S. C., 1988: Occurrence of perfect stage of Erysiphe polygoni on pea

Maina, A. K.; Kyule, M. N., 1991: Occurrence of perforating and non-perforating teat injuries in dairy cattle in Kenya

Krishnaraj, P. U.; Gowda, T. K. S., 1990: Occurrence of phosphate-solubilizing bacteria in the endorhizosphere of crop plants

Manteuffel, J. F. Z. von, 1990: Occurrence of phospho-enolpyruvate, pyruvate, lactate, glycerol-3-phosphate, lactose, L-malate, citrate, D-3-hydroxybutyrate, alpha -ketoglutarate and urea in milk of Haflinger mares

Mateos, M. I.; Serrano, A., 1992: Occurrence of phosphorylating and non-phosphorylating NADP+-dependent glyceraldehyde-3-phosphate dehydrogenases in photosynthetic organisms

Kang, S. W.; Cho, D. J.; Shin, W. K.; Lee, Y. S., 1990: Occurrence of physiologic races of Pyricularia oryzae in Gyeongnam Province during 1984-1989

Viveros V, C. A.; Bravo O, N.; Munoz F, J. E., 1988: Occurrence of phytopathogenic fungi on germinating seed of a sorghum hybrid, Sorghum bicolor (L.) Moench

Prasad, M. R.; Dutta, G. C.; Saini ; Gautam, P. L., 1990: Occurrence of pigeon pea powdery mildew in the hills of Garhwal Himalaya

Skwiercz, A. T., 1988: Occurrence of plant parasitic nematodes in peat soils in Poland

Baumann, K.; Baumbach, G.; Droscher, F., 1990: Occurrence of pollutants in the outer parts of the Bavarian Forest

Vavrova, M.; Mikulik, A., 1988: Occurrence of polychlorinated biphenyl residues in food and raw material of animal origin and in surface waters of south Moravia

Vovlas, N.; Grammatikaki, G., 1989: Occurrence of potato cyst nematodes (Globodera rostochiensis and Globodera pallida) on Crete and suggestions for control

Leath, K. T.; Shaffer, J. A.; Jung, G. A., 1990: Occurrence of powdery mildew on prairie grass (Bromus willdenowii) cultivar Grasslands Matua

Srivastava, L. S.; Gupta, D. K. , 1990: Occurrence of powdery mildew, rust and Ascochyta blight of pea in Sikkim

Perwez, M. S.; Mohd Akram, 1989: Occurrence of powdery mildews at Aligarh and its adjoining areas

Karasszon, D., 1991: Occurrence of primary epilepsy associated with aggressive behaviour in a rabbit

Chilmonczyk, S.; Thomas, P.; Kinkelin, P. de, 1989: Occurrence of proliferative kidney disease in an indoor recirculating unit and indirect experimental contamination of the rainbow trout

Lipa, J. J.; Deseo, K. V., 1988: Occurrence of protozoan infections in Calliptamus italicus L. (Orthoptera: Acrididae), Lobesia botrana Schiff. (Lepidoptera: Tortricidae) and Carpocapsa pomonella L. (Lepidoptera, Tortricidae) in Italy

Petit Paly, G.; Montagu, M.; Viel, C.; Chenieux, J. C.; Rideau, M., 1990: Occurrence of ptelecultinium in Ptelea trifoliata L

Pree, D. J.; Archibald, D. E.; Ker, K. W.; Cole, K. J., 1990: Occurrence of pyrethroid resistance in pear psylla (Homoptera: Psyllidae) populations from southern Ontario

Kaiser, S. A. K. M.; Das, S. N., 1989: Occurrence of race 'T' of Drechslera maydis (Nisikado) Subram. & Jain on maize in West Bengal

Viswanathan R.; Narayanasamy P., 1991: Occurrence of resistance in rice pathogens to fungicides

Irshad, M.; Gillani, W. A.; Iqbal, J., 1992: Occurrence of resistance in stored grain pests to pesticides in Pakistan

Amirbekov, M.; Stepnova, S. N.; Musoev, Z., 1990: Occurrence of respiratory disease in sheep

Chandran N.D.J.; Albert A.; Jayaprakash R.; Venkatesan R.A., 1991: Occurrence of rinderpest in small wild ruminants

Leur, J. A. G. van; Grey, W. E.; Qu, L.; Alamdar, M. Z., 1992: Occurrence of root rot in barley in an experimental site in northwest Syria and varietal differences in resistance of Cochliobolus sativus

Nehru, C. R.; Thankamony, S.; Jayarathnam, K., 1991: Occurrence of root-knot nematode Meloidogyne incognita as a pest of rubber (Hevea brasiliensis) seedlings

Iovane, G.; Bonaduce, A.; Iannucci, M., 1991: Occurrence of rotavirus antibodies in pig serum from Naples province

Bhardwaj, L. N.; Sharma, P. N., 1990: Occurrence of rust on black zira in Himachal Pradesh

Roopali Singh; Rao, N. N. R., 1990: Occurrence of rust on florist geranium

Das, M. S.; Roy, D. K.; Dash, S., 1990: Occurrence of salmonellae in slaughtered pigs, goat meat, meat handlers and slaughtered-house workers

Spickschen, C., 1990: Occurrence of sarcosporidia among roe deer, red deer and mouflon in Lower Saxony

Perolat P.; Poingt J P.; Vie J C.; Jouaneau C.; Baranton G.; Gysin J., 1992: Occurrence of severe leptospirosis in a breeding colony of squirrel monkeys

Kiriac, I.; Gruber, F.; Poprawski, T.; Halbert, S.; Elberson, L., 1990: Occurrence of sexual morphs of Russian wheat aphid, Diuraphis noxia (Homoptera: Aphididae), in several locations in the Soviet Union and the northwestern United States

Milne, WM.; Wellings, PW., 1991: Occurrence of sexual morphs of Therioaphis trifolii (Monell) f. maculata (Hemiptera: Aphididae) in the field

Takada, Hajimu.; Miyazaki, Masahisa., 1992: Occurrence of sexuales of Aphis nerii B. de F. (Homoptera: Aphididae) in Japan

Roth, J; Kempf, A; Reuter, G; Schauer, R; Gehring, Wj, 1992: Occurrence of sialic acids in Drosophila melanogaster

Billa, E.; Monties, B., 1991: Occurrence of silicon associated with lignin-polysaccharide complexes isolated from gramineae (wheat straw) cell walls

Suyama K.; Tjahjono B.; Fujii H., 1990: Occurrence of slimy rot disease on the stored potato tubers

Arif, M.; Pant, T.; Kumar, B.; Kumar, A.; Joshi, M. C., 1992: Occurrence of soldier fly, Hermetia illucens Lin. (Diptera: Stratiomyidae) in poultry at 1676 metre altitude in district Almora (Uttar Pradesh), India

Twumasi, J. K.; Hossain, M. A.; Fenteng, P. K., 1989: Occurrence of some cowpea diseases and the evaluation of resistance of selected cowpea lines to brown blotch disease in the forest ecology of Ghana

Fang, Z. F., 1989: Occurrence of some errors in conventional agrochemical tests and their causes

Jhala, R. C.; Patel, Z. P.; Shah, A. H., 1989: Occurrence of some new insect pests on mango in India

Tenora, R.; Sulgostowska, T.; Vanek, M., 1987: Occurrence of some parasitic worms in birds of the orders Anseriformes and Lariformes in southern Moravia

Darekar, K. S.; Shelke, S. S.; Mhase, N. L., 1990: Occurrence of sorghum cyst nematode, Heterodera sorghi in Maharashtra State

Koacz, R.; Houszka, M.; Siembieda, J.; Gotszling, M., 1992: Occurrence of splayleg in piglets reared on floors of various degree of adhesion

Skalka, B., 1991: Occurrence of staphylococcal species in clinically healthy farm animals

Fujita, M.; Oshima, K.; Saiki, H., 1989: Occurrence of storied arrangement of rays in Aesculus and the periodical analysis by Fourier transformation

Hepp, R. F.; Martin, R. R., 1992: Occurrence of strawberry mild yellow-edge associated virus in wild Fragaria chiloensis in South America

Autrey, L. J. C.; Saumtally, S.; Dookun, A.; Boolell, S., 1990: Occurrence of sugarcane bacilliform virus in Mauritius

Wagner, C. S., 1990: Occurrence of surface wetness periods on plants in the State of Parana

Ristaino, J. B.; Averre, C. W.; Abad, G.; Jester, W. R., 1991: Occurrence of sweetpotato chlorotic distortion (Fusarium lateritium) in North Carolina

Kubo, K.; Tsujimoto, M.; Tateyama, K.; Doda, I., 1991: Occurrence of swine erysipelas and serotypes and antimicrobial susceptibility of Erysipelothrix rhusiopathiae isolates from pigs slaughtered at Osaka City Meat Inspection Centre from 1972 to 1989

Karthikeyan, S. M.; Srinivas, D.; Sridharan, S.; Narayanamurthy, A., 1991: Occurrence of tapeworm (Anoplocephala magna) infection in a horse

Horikawa, T., 1988: Occurrence of tea gray blight and tea shoot blight caused by Pestalotia longiseta Spegazzini and their control

Calil, E. M. B.; Kammer, A. J.; Pacheco, J. L. L.; Macruz, R.; Moulin, A. A. P.; Cunha, R. M., 1989: Occurrence of tetanus in a Thoroughbred horse

McAllister, CT.; Conn, DB., 1990: Occurrence of tetrathyridia of Mesocestoides sp. (Cestoidea: Cyclophyllidea) in North American anurans (Amphibia)

Deahl, K. L.; Goth, R. W.; Young, R.; Sinden, S. L.; Gallegly, M. E., 1991: Occurrence of the Asuperscript 2 mating type of Phytophthora infestans in potato fields in the United States and Canada

Foard, T., 1992: Occurrence of the acanthocephalan Eocollis aracanus in Georgia

Sbec, D., 1990: Occurrence of the adenomatosis complex on three large pig farms

Guthrie, JF.; Schwartz, FJ., 1990: Occurrence of the barnacle Balanus venustus on an Atlantic menhaden, Brevoortia tyrannus, off South Carolina

Schultz, T. R.; Shaw, M. E., 1991: Occurrence of the beet leafhopper-transmitted virescence agent in red and daikon radish seed plants in Washington State

Izhar, Y.; Yehuda, B.; Swirski, E.; Wysoki, M.; Dagan, M., 1992: Occurrence of the black vine thrips, Retithrips syriacus Mayet, on avocado in Israel and trials to control the pest by insecticides of plant origin

Kristoffersen, R., 1991: Occurrence of the digenean Cryptocotyle lingua in farmed Arctic charr Salvelinus alpinus and periwinkles Littorina littorea sampled close to charr farms in northern Norway

Al Alousi, T. I.; Daoud, M. S.; Alwan, T., 1988: Occurrence of the equid lung worm Dictyocaulus arnfieldi (Cobbold, 1884) Railliet and Henry, 1907 in Iraq

Takeuchi, K.; Koyano, S.; Numazawa, K., 1991: Occurrence of the giant African snail in the Ogasaware (Bonin) Islands, Japan

Ferreira, M. J. M.; Dos Passos, R. C.; Dos Santos, B. B., 1990: Occurrence of the horn fly, Haematobia irritans (L., 1758) (Diptera, Muscidae) in Goias State, Brazil

Majeed, SK.; Morris, PA.; Cooper, JE., 1989: Occurrence of the lungworms Capillaria and Crenosoma spp. in British hedgehogs (Erinaceus europaeus)

Karl, E.; Plank, A.; Schmidt, H. E., 1991: Occurrence of the lupin aphid (Macrosiphum albifrons Essig) in southern Germany and Austria

Pohle, K.; Stark, A.; Bottcher, H., 1991: Occurrence of the mould beetle Cryptophagus subfumatus Kraatz in stored garlic (Allium sativum L.)

Shier, W. Thomas; Abbas, Hamed K., 1992: Occurrence of the mycotoxin chlamydosporol in Fusarium species

Tomminen, J.; Nuorteva, M.; Pulkkinen, M.; Vakeva, J., 1989: Occurrence of the nematode Bursaphelenchus mucronatus Mamiya & Enda 1979 (Nematoda: Aphelenchoididae) in Finland

Dambacher, G., 1992: Occurrence of the neurological form of equine herpesvirus 1 infection (equine rhinopneumonitis) in a stable

Srivastava, K. P.; Bhatnagar, R. K.; Sukhani, T. R., 1990: Occurrence of the predatory wasp, Dasyproctus agilis (F. Smith) as a pest of pearl millet

Delvinquier, BLJ., 1989: Occurrence of the protozoans, Lankesterella hylae and Haemogregarina sp., in the blood of the green tree frog, Litoria caerulea

Daniel, M.; Cerny, V., 1990: Occurrence of the tick Ixodes ricinus (L.) under the conditions of anthropopressure

Haraguchi, M.; Tsuhako, M. H.; Nobre, D.; Campedelli Filho, O.; Helene, C. G.; Guimaraes, R. D. B., 1989: Occurrence of the toxic principle, prunasin, in the leaves of Holocalyx glaziovii Taub

Cardini F.; Britton G.; Selva A.; Chelli M., 1990: Occurrence of the very rare carotenoid triphasiaxanthin in leaves of two cycads

Marrewijk, W. J. A. van; Broek, A. T. M. van den; Beenakkers, A. M. T., 1989: Occurrence of three forms of glycogen phosphorylase and flight-induced activation in fat body of the American cockroach, Periplaneta americana

Hachiya, K., 1990: Occurrence of thrips on adzuki bean

Lima Neto, V. da C.; Lima, M. L. R. Z. da C.; Souza, V. B. V. de, 1988: Occurrence of tobacco mosaic virus in tomatoes in Curitiba metropolitan region

Grassi, G.; Gallitelli, D., 1990: Occurrence of tomato lethal necrosis in Emilia-Romagna

Lima, M. L. R. Z. da C.; Lima Neto, V. da C.; Souza, V. B. V. de, 1988: Occurrence of tomato spotted wilt virus in marrows in Colombo-PR

Bottalico, A.; Logrieco, A.; Visconti, A., 1989: Occurrence of toxigenic isolates and mycotoxins of Alternaria alternata in black mould tomatoes and peppers

Garcia Zapata, M. T. A.; Lago, E.; Virgens, D.; Marsden, P. D., 1990: Occurrence of triatomine infestation without Trypanosoma cruzi transmission in Tres Bracos, Bahia-Brazil

Liu, R.; Cheng, H., 1990: Occurrence of trichodorid species (Nematoda: Trichodoridae) in China

Trinchant, Jc; Rigaud, J., 1990: Occurrence of two pathways for malate oxidation in bacteroids isolated from Sesbania rostrata stem nodules during C2H2 reduction

Molnar, K., 1989: Occurrence of two skrjabillanid nematodes, Sinoichthyonema amuri and Skrjabillanus schigini in grasscarp (Ctenopharyngodon idella) in Hungary

Patil, GM.; Savanurmath, CJ., 1990: Occurrence of uji fly Blepharipa zebina (Walker) on tasar silkworm Antheraea paphia (Linn.) in Karnataka

Sidhu, O. P.; Behl, H. M.; Gupta, M. L.; Janardhanan, K. K., 1990: Occurrence of vesicular-arbuscular mycorrhiza of Casuarina equisetifolia L

Siqueira, J. O.; Colozzi Filho, A.; Oliveira, E. de, 1989: Occurrence of vesicular-arbuscular mycorrhizae in agro and natural ecosystems in Minas Gerais state

Ryll, V., 1990: Occurrence of viral haemorrhagic disease among wild rabbits and hares in Lower Saxony, Germany

Salajka, E.; Alexa, P.; Salajkova, Z., 1991: Occurrence of virulence factors in Escherichia coli strains causing oedema disease and diarrhoea in pigs after weaning

Patil, R. J.; Mutkekar, M. L., 1991: Occurrence of virulent biotype of race 11 of Puccinia graminis tritici from variety Coorong (Sr 27) in India having virulence against Sr 25 gene

Genaro, O.; Da Costa, C. A.; Williams, P. et al., 1990: Occurrence of visceral leishmaniasis in urban Belo Horizonte, MG

Sarla, N., 1990: Occurrence of vivipary in synthesised Brassica carinata and its characterisation by soluble proteins and esterases

Seong, P. L.; Sang, K. K.; Kwang, S. L.; Dae, W. C., 1991: Occurrence of volunteer rice plants in a combine harvested paddy field

Kissling, R.; Glatzl, M.; Mikula, M., 1991: Occurrence of wattle disease due to Pasteurella multocida on a broiler breeder farm in Austria

Mishra, B.; Dubey, S. C., 1991: Occurrence of web blight of groundnut in Bihar

Kindler, SD.; Arnold, DC.; Spinger, TL., 1989: Occurrence of wheat stem maggot, Meromyza americana (Diptera: Chloropidae), in weeping lovegrass seed fields in Oklahoma

Singh, B. R.; Garg, S. K.; Tripathi, R. C.; Gupta, S. P., 1989: Occurrence of witches' broom disease of potato in Uttar Pradesh

Sawada, H; Tsusue, M; Yamamoto, T; Sakurai, S., 1990: Occurrence of xanthommatin containing pigment granules in the epidermal cells of the silkworm, Bombyx mori

Zhao, H. Y.; Huang, K. Y., 1990: Occurrence pattern and host alternation of Trichogramma dendrolimi (Hym.: Trichogrammatidae) in Changbai Mountain Area

Bars, J. le; Bars, P. le; Brice, G., 1990: Occurrence, accumulation and fate of coumestrol in lucerne and in feed products containing it

Perira, W. E.; Rostad, C. E., 1990: Occurrence, distributions and transport of herbicides and their degradation products in the lower Mississippi River and its tributaries

Daebeler, F.; Steinbach, P.; Amelung, D.; Schulz, R. R., 1992: Occurrence, epidemiology, importance and possibilities of control of Cylindrosporium concentricum Grev. (teleomorph: Pyrenopeziza brassicae Sutton et Rawlinson) in winter rape

Lindner, A.; Wittke, P. von; Dingerkus, A.; Temme, M.; Sommer, H., 1991: Occurrence, frequency and significance of training failures among Thoroughbred horses

Barcelo, D., 1991: Occurrence, handling and chromatographic determination of pesticides in the aquatic environment

Liu, J.; Li, Q. D., 1989: Occurrence, host resistance and chemical control of the pea cyst nematode on soyabeans in Jiangsu Province

Thomasius, H., 1990: Occurrence, importance and management of Norway spruce in the German Democratic Republic

Mamluk, O. F.; Haware, M. P.; Makkouk, K. M.; Hanounik, S. B., 1989: Occurrence, losses and control of important cereal and food legume diseases in West Asia and North Africa

Grau, Fh; Vanderlinde, Pb, 1992: Occurrence, numbers, and growth of Listeria monocytogenes on some vacuum-packaged processed meats

Doaigey, Ar, 1991: Occurrence, type, and location of calcium oxalate crystals in leaves and stems of 16 species of poisonous plants

Yamashita, K.; Niwata, E.; Sugiyama, S.; Ishitani, M.; Seito, M., 1990: Occurrences of garlic latent virus on garlic cv. Fukuchi howaito in Aomori Prefecture

Anonymous, 1991: Ocean margin processes in global change

Williamson P.; Holligan P.M., 1990: Ocean productivity and climate change

Brown, J., 1992: Oceanopolis

Dyer, W. G.; Ballard, S. R., 1991: Ochetosoma aniarum (Leidy, 1891) Skrjabin and Antipin, 1957 (Trematoda: Plagiorchiidae) in Nerodia cyclopion (Dumeril, Bibron and Dumeril, 1854)

Dyer, WG.; Ballard, SR., 1989: Ochetosomatid digeneans from Illinois snakes

Sibanda, S.; Nyanyira, C.; Nicoletti, M.; Galefi, C., 1990: Ochnabianthrone: a trans-9,9'-bianthrone from Ochna pulchra

Tholstrup, B.; Rasmussen, G., 1990: Ochratoxin A in cereals 1986-1989

Milanez, T. V.; Sabino, M., 1989: Ochratoxin A in retail beans in Sao Paulo State and its stability after cooking

Kofer, J.; Schuh, M.; Fuchs, K., 1991: Ochratoxin A residues in Styrian slaughter pigs

Thompson, T. E.; Young, E. F, Jr; Petersen, H. D.; Worley, R. E.; O' Barr, R. D.; Sanderlin, R. S.; Grauke, L. J., 1989: Oconee, Houma and Osage: new pecan cultivars

Gaud, J.; Atyeo, WT.; Klompten, JSH., 1989: Oconnoriidae, a new family of feather mites (Acarina, Pterolichoidea)

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