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Hendersonula dieback of mango in Niger


, : Hendersonula dieback of mango in Niger. Plant Disease 71(11): 1045

Since the early 1980s, a dieback disease has caused severe damage on mango trees in the Republic of Niger. The fungus most commonly isolated was H. toruloidea a facultative, wound-invading pathogen with a broad host range. Symptoms, which develop only during periods of high RH and high day and night temp. include sudden wilting of young shoots, twigs, or whole branches. Leaves turn bright red-brown but do not fall off. Cankers develop on infected branches and exude clear drops of gum.

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Related references

Jakoby, T.; Ben gal, O.; Sztejnberg, A., 1982: Biological studies of Hendersonula toruloidea, the cause of branch dieback of apricot. The optimum temperature for growth of H. toruloidea was 35 deg C and light was not necessary for growth or sporulation. Pruning and burning diseased branches are suggested for control.

Jakoby T.; Ben Gal O.; Sztejnberg A., 1981: Hendersonula toruloidea a fungus causing wilt of branches and dieback of apricot trees prunus armeniaca in israel. Phytoparasitica 9(3): 254-255

Acuna Ovies, H.E.; Waite, B.H., 1977: Dieback of mango (Mangifera indica) in El Salvador. Studies in which young mango trees were inoculated with Botryodiplodia theobromae confirmed that the fungus is a weak parasite which invades mango tissue only when the plants are affected by external factors. Mango dieback in the Sonsonate distric...

Verma, O.P.; Singh, R.D., 1970: Epidemiology of Mango dieback caused by Botryodiplodia theobromae Pat. Conditions favourable for disease development were R.H. >80%, max. and min. temp. 31.5 and 25.9 degrees C, and rain. In culture the fungus grew best at 27-30 degrees, germ tubes of single-celled spores at 30 degrees and those of bi-celled spore...

Verma O.P.; Singh R.D., 1970: Epidemiology of mango d dieback caused by botryodiplodia theobromae. Indian Journal of Agricultural Sciences 40(9): 813-818

Ramos L.J.; Lara S.P.; Mcmillan R.T.Jr; Narayanan K.R., 1991: Tip dieback of mango mangifera indica caused by botryosphaeria ribis. The conidial stage of Botryosphaeria ribis was isolated from diseased mango trees (Mangifera indica) and found to be pathogenic in mango by wound inoculation. The fungus produced dark mycelia and did not sporulate under most conditions but formed...

Y.Q.; J.P.; X.Z.ang; H.Z.ang; Y.L.; Q.Y.; H.Z.ang; Y.X.e, 2013: First Report of Dieback of Mango Caused by Fusarium decemcellulare in China. During 2009 2011, a dieback disease of mango (Mangifera indica) has recently emerged on mango trees in Panzhihua City, Sichuan province of China. The disease is characterized by large irregular brown-coloured speckles on the petioles and twigs, va...

A.M.Ismail, G.Cirvilleri, G.Polizzi, P.W.Crous, J.Z.Groenewald, L.Lombard, 2012: Lasiodiplodia species associated with dieback disease of mango Mangifera indica in Egypt. <i>Lasiodiplodia theobromae</i> is a plurivorous pathogen of tropical and subtropical woody and fruit trees. In 2010, an investigation of mango plantations in Egypt resulted in the isolation of 26 <i>Lasiodiplodia</i> isola...

Ramos, L.J.; Davenport, T.L.; McMillan, R.T.J.; Lara, S.P., 1997: The resistance of mango (Mangifera indica) cultivars to tip dieback disease in Florida. The resistance of Mangifera indica to tip dieback disease caused by Botryosphaeria ribis, anamorphic state Fusicoccum sp., was determined on 361 trees of 122 mango cultivars and relatives planted in the mango germ plasm collection at the Universit...

Sharma, I.M., 1991: A note on population dynamics and etiology of dieback of mango in Himachal Pradesh. Of 219 isolates obtained from 225 diseased samples from mango orchards, Botryodiplodia theobromae, Colletotrichum gloeosporioides [Glomerella cingulata], Pestalotia mangiferae, Phoma sp., Sclerotium [Corticium] rolfsii, Rhizoctonia solani, Diplodi...