【摘要】 2004年6～7月,运用Y-5B型飞机超低量喷洒25%阿维灭幼脲新型生物复合剂防治闽北林区马尾松毛虫中、重度危害面积1 96万hm2。结果表明,25%阿维灭幼脲是一种高效、稳定、安全、持效期长的生物农药,使用525g·hm-2浓度,飞机防治作业20d后,效果可达90%以上,防治效果好。更多还原

【Abstract】 The results showed that 25% of abamectim dimilim was a highly effective,steady,and safe biological farm insecticide with long effect-holding period,the effect was good and might reach 90% and more after 20 days since the plane control operation with 525 g·hm^-2 of abamectim dimilim.更多还原