By: J.A. Cheng
Zhejiang University, Hangzhou, PR China
Professor Cheng has been working on rice planthoppers since the 1970s and here he shares his analysis of the development of planthopper problems in China since the 1960s.
Rice field damaged by Rice Stripe Virus disease carried by the smaller brown planthopper. Photo credit: J Cheng
This entry was posted in Ecological engineering, Insecticide resistance, Planthoppers and tagged Black Streak Dwarf virus disease, China planthopper problems, imidacloprid, Rice Stripe Virus disease, white backed planthopper. Bookmark the permalink. 
We observed the same prospect as in China. However, WBPH is not a problem in the Mekong Delta. We have paid attention to this target pest since introduction of BPH resistant varieties from 30 years ago but WBPH was not able to develop their population to take over the hollow left by BPH on their resistant varieties. Maybe, we are lucky ecologically.
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Similar observations are coming up in India. We want to contact the author. Please give the contact details prefereably e-mail and telefon.
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