【摘要】 通过6种不同杀虫剂对甜菜夜蛾的田间药效试验,结果表明:0.2%甲胺基阿维菌素苯甲酸盐微乳剂4000~6000倍稀释液对甜菜夜蛾有较好的防治效果,其防效在90.4%以上;2.02%甲胺基阿维·高氯乳油1000倍稀释液的第7d防效为91.9%;0.9%阿维菌素乳油1500倍稀释液在第3d的防效为89.5%,这些药剂均是当前防治甜菜夜蛾的优良药剂。更多还原

【Abstract】 The effects of six insecticides were evaluated against Spodoptera exigua in field trials.The results showed that the mortality was over90.4%for controlling the insect with the insecti cide,0.2%emamectin benzoate,which was diluted for4000~6000times in water,and the con trolling effect with2.02%mixed emamectin benzoats and beta-cypermethrin was over91.9%when it was diluted for1000times,and0.9%abamectin was89.5%with1500times.All these pesticides mentioned above are excellent insecticides for controlling Spodoptera exigua Hubner.更多还原