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球坚蚧是板栗的一种主要害虫。选用 7种农药对球坚蚧若虫进行防治试验 ,取得了显著效果 ,其中 4 0 %速扑杀 10 0 0倍液的防治效果达 91%以上。
Chickweed is a major pest of chestnut. Seven kinds of pesticides were selected to control the testicle nymphs, and remarkable results were obtained. The prevention and cure effect of 100% of the 40% of the pesticides reached 91%.