瓜蚜和瓜绢螟的药剂防效试验

The Control Effects of Insecticides to Aphis gossypii Glover and Diaphania ndica(Saunders)

药剂防治瓜蚜和瓜绢螟的田间试验结果表明：２５％喹硫磷乳油１０００倍液对瓜蚜防治效果最好，药后５天防效达１００％。２１％灭杀毙乳油２０００倍液，４０７％乐斯本乳油１０００倍液＋病毒复合杀虫剂可湿粉１０００倍液混合液防治瓜绢螟效果最好，药后５天防效达１００％。

The control effects of insecticides to Aphis gossypii Glover and Diaphania indica(Saunders) are reported in this paper.The results of the field tests indicated that 25% quinalphos EC 1000 times had the best control effects to Aphis gossypii Glover,the control effects reached 100% after five days of spray.21% malathion EC 2000 times,the mixture of 40.7%chlorpyrifos EC 1000 times and B-V WC 1000 times had the best control effects to Diaphania indica (Saunders),the control effects were 100% after five days of spray.