几种药剂对小菜蛾的田间药效比较  

Comparision of the Field Effects of Several Pesticides against Diamondback moth(Plutella xylosteila L.)

作　　者：赵杨[1] 赵奇[1] 田本志[1] 胡兰[1] 

机构地区：[1]辽宁省农业科学院植物保护研究所,沈阳110161

出　　处：《世界农药》2009年第2期28-30,共3页World Pesticide

摘　　要：对0.3%印楝素乳油、1%甲维盐水乳剂、1.8%阿维菌素乳油、100g/L虫螨腈悬浮剂等生物药剂防治小菜蛾的田间药效进行了试验,结果表明用药后1d防效在43%～53%,药后3d防效在74%～86%,药后7d防效在79%～90%。其中15甲维盐水乳剂药效较为理想,具有一定的速效性及良好的持效性,可推广使用。The results of field trials showed that the control effects of 0.3% azadirachtin EC, 1% emamectin benzoate EW, 1.8% avermectin EC, 100 g/L chlorfenapyr SC,etc, reach 43%-53% on First day after application,74%-86% on third day after application, 79%-90% on seventh day after application. The control effect of 1% emamectin benzoate EW is the highest among all the tested pesticides, with a some quik acting and a good persistence characteristics,and it worthes popularizing.

关 键 词：生物药剂 小菜蛾 药效 

分 类 号：TQ450.21[化学工程—农药化工]