飞机超低容量喷洒3％高渗苯氧威防治马尾松毛虫试验

Ultra-low volume aerial spray of high permeation fenoxycarb 3 % against Dendrolimus punctatus

应用Y-5B飞机超低量喷洒3％高渗苯氧威防治马尾松毛虫Dendrolimus punctatus Walker试验结果表明，3％高渗苯氧威是一种高效、快速、持效期长的生物农药，剂量300g／hm^2具有较好杀虫效果，20d死亡率可达98％以上。

The experiment showed Fenoxycarb was a high effective, quick-activing and long-lasting biotic pesticide. The mortality of Dendrolimus punctatus was 98 % at the dosage of 300 g/hm^2.