飞机超低量喷洒阿维菌素防治马尾松毛虫试验

Experiment on ultra-low volume aerial spray of Avermectin against Dendrolimus punctatus

应用 Y- 5 B飞机超低量喷洒生物农药阿维菌素防治马尾松毛虫 Dendrolimus punctatusWalker的试验结果表明 ,阿维菌素是一种高效、稳定、快速、持续性长的生物农药 ,在剂量分别为1 5 0 g/hm2、2 2 5 g/hm2时具有较好的杀虫效果 ,死亡率分别为 94.6%、78.4%

The experiment shows Avermectin is a high effective,stable,ra pid and long-lasting biotic pesticide.Th e mortality of Dendrolimus punctatus i s 94 6% and 78 4% respectively at the do sages of 150 g/hm 2 and 225g/hm 2.