20%氯氰·毒微乳剂防治甘蓝菜青虫田间药效试验  

The Field Test of Cypermethrin·Chlorpyrifos 20% ME Controlling Pieris rapae

作　　者：孙景文[1] 

机构地区：[1]山东华阳科技股份有限公司,山东泰安271411

出　　处：《世界农药》2013年第2期58-60,共3页World Pesticide

摘　　要：田间药效试验表明:施药后1d,20%氯氰·毒微乳剂30 mL/667m^2、40 mL/667 m^2、50 mL/667 m^2对甘蓝菜青虫的防效分别达78.36%、85.89%、94.00%;施药后3 d分别为83.99%、88.43%、95.39%;施药后7 d分别为89.44%、93.66%、98.35%。20%氯氰·毒微乳剂30～50 mL/667 m^2对甘蓝菜青虫防效高,对作物安全。The result of field experiments showed that Cyperrnethrin-Chlorpyrifos 20% ME had good effect for controlling the Pieris rapae. The efficacy was 78.36%, 85.89%, 94.00% after 1 days ; 83.99%, 88.43%, 95.39% after 3 days ; 89.44%, 93.66%, 98.35% after 7 days for 30 mL/667m^2,40 mL/667m2 and 50 mL/667m^2. It was safe to Sea cabbage.

关 键 词：20%氯氰·毒微乳剂 甘蓝菜青虫 防治效果 

分 类 号：S436.35[农业科学—农业昆虫与害虫防治]