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.
出处
《世界农药》
CAS
2009年第2期28-30,共3页
World Pesticide
关键词
生物药剂
小菜蛾
药效
biopesticide
Plutella xylostella （L.）
control effect
