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Investigation and control of root knot nematodes on tea seedlings in South Yunnan

, : Investigation and control of root knot nematodes on tea seedlings in South Yunnan. Journal of Tea 19(4): 20-22

Root knot nematode disease is very serious for tea seedlings in south Yunnan. In seriously infected fields the percentage of diseased seedlings was 100% and mortality of seedling was 90%. Upto 3000 2nd stage juveniles can be found in 100 g soil and 80%, 15% and 5% juveniles in 0-20 cm, 20-30 cm and 30-50 cm deep soil resp. There are 7 growth peaks per year for 2nd stage juveniles inside roots.

Accession: 002416698

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Related references

Mukerjea, T.D., 1966: Chemical control of root-knot nematodes parasitic on tea seedlings in northeast India. During 3 years inexperimental field plots established in commercial estates in Assam, various soil fumigants and nematocidal chemicals were utilized for the control of the root-knot nematode, Meloidogyne incognita acrita and M. hapla. Results base...

Rao, M.S., 2007: Papaya seedlings colonized by the bio-agents Trichoderma harzianum and Pseudomonas fluorescens to control root-knot nematodes. Experiments were conducted to produce seedlings of papaya with roots colonized by Trichoderma harzianum and Pseudomonas fluorescens for the control of the root-knot nematode Meloidogyne incognita. Seed treatment with P. fluorescens (108 cfu/g) and...

McLeod, R.W.; Mead, J.A., 1977: Non-fumigant nematicides for control of root-knot nematodes in northern New South Wales. In glasshouse trials, 7 non-fumigant nematicides proved effective against Meloidogyne javanica and M. incognita on infected tobacco seedlings grown in sandy loam. When soil fumigation with ethylene dibromide was compared to phenamiphos application...

Chubachi, K.; Furukawa, M.; Fukuda, S.; Takahashi, S.; Matsumura, S.; Itagawa, H.; Shimizu, T.; Nakagawa, A., 1999: Control of root-knot nematodes by Streptomyces: screening of root-knot nematode-controlling actinomycetes and evaluation of their usefulness in a pot test. The nematicidal activity of culture filtrates of six different strains of Streptomyces sp. on J2s of Meloidogyne incognita race 1 was investigated. All six strains suppressed J2 motility in a similar manner in vitro. In pot experiments, there was...

Brzeski, M.W.; Gorska, A.; abanowski, G., 1999: Root-knot nematodes and burrowing nematodes in vegetable crops and ornamental seedlings. Brief notes are given on the occurrence and harmfulness of Radopholus similis and Meloidogyne spp. on vegetables and ornamental seedlings in Poland.

Fourie, H.; Schoeman, M.J.cobus; Mtshali, M.B.nedicta; Leswifi, C.M.kgabo; Riekert, H.F.ederik; Mcdonald, A.H.nrique, 2002: The challenge towards integrated control of root-knot nematodes for developing agriculture in South Africa. Nematology 4(2): 302

H.X.anQi; Yang YanLi; Y.S.engFu, 1997: Discovery of root-knot nematodes disease on Panax notoginseng in Yunnan. Meloidogyne hapla is reported on P. notoginseng from Yunnan, China.

Elgindi D.M.; Moussa F.F., 1971: Root knot nematodes in recently reclaimed sandy areas united arab republic part 2 new host records for root knot nematodes meloidogyne spp. Mededelingen van de Faculteit Landbouwwetenschappen Universiteit Gent 36(4): 1341-1344

Agbakli, R.; Maraite, H.; Colin, J.E., 1992: The use of neem extracts Azadirachta indica to control root knot nematodes in leafy vegetables cultures in south Benin. Mededelingen van de Faculteit Landbouwwetenschappen Universiteit Gent 57(2-3 PART A-B): 913-918

Elgindi, D.M.; Moussa, F.F., 1971: Root knot nematodes in recently reclaimed sandy areas of U.A.R. II. New host records for root-knot nematodes, Meloidogyne spp. The authors list 24 host plants of the Meloidogyne spp. present in Tahreer Province, a recently reclaimed sandy area in Egypt. 7 additional hosts are recorded as new for Meloidogyne spp., namely, Bignonia purpurea, Cucumis melo v. aegyptiacus, Ced...