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


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