【摘要】 田间试验表明 :2 0 %丁硫克百威乳油是一种对害虫杀虫活性高、持效长、使用安全的杀虫剂。防治甘蓝蚜 ,使用剂量 30ml/6 6 7m2 ,药后 7、14天防效均可达 90 %以上 ;防治棉蚜 ,使用剂量30～ 6 0ml/6 6 7m2 ,药后 3天 ,防效可达 85 %～ 96 .3% ,药后 7天 ,防效为 6 8.5 %～ 83 %更多还原

【Abstract】 The tests showed that carbosulfan had highly insecticidal activity and long persistence for controlling the cabbage aphid,Brevicoyyne brassicae (L.) and the cotton aphid,Sphis gossypiiGlover.For the cabbage aphid,the controleffectiveness all reached above 90% 7,14 day after application at the rate of 6g a.i./667m 2.For the cotton aphid,3,7day after treatment the efficacies were 85%～96.3% and 68.5%～83% respectively at the rate of 6～12g a.i./667m 2.更多还原