20%高氯·毒水乳剂防治甘蓝菜青虫田间药效试验  

Field Trial of Beta - cypermethrin·chlorpyrifos 20% EW Against Pireris rapae

作　　者：刘自友[1] 郭洪伟[1] 肖圣乾[1] 王光永[1] 张爱芝[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：《安徽农学通报》2010年第11期169-170,258,共3页Anhui Agricultural Science Bulletin

摘　　要：田间药效试验结果:施药后1d,20%高氯·毒水乳剂30mL/667m2、40mL/667m2、50mL/667m2对甘蓝菜青虫的防效分别达78.36%、85.89%、94.00%;施药后3d分别为83.99%、88.43%、95.39%;施药后7d分别为89.44%、93.66%、98.35%。20%高氯·毒水乳剂30～50mL/667m2对甘蓝菜青虫防效高,对作物安全。The result of field experiments showed that Beta - cypermethrin·Chlorpyrifos 20% EW had good effect for controlling the Pieris rapae,the efficacy was 78. 36% 、85. 89% 、94. 00% after 1 days ; the efficacy was 83. 99% 、88. 43% 、 95. 39% after 3 days ; the efficacy was 89. 44% 、93. 66% 、98. 35% after 7 days ,and more than 98% aftter 21 days. It was safe to Sea cabbage.

关 键 词：20%高氯·毒水乳剂 甘蓝菜青虫 防治效果 

分 类 号：S436.3[农业科学—农业昆虫与害虫防治]