摘要
对飞机喷洒灭幼脲3号悬浮剂防治第1代美国白蛾以及对第2代幼虫的持续控制效果的调查结果表明，在对第1代美国白蛾1～3龄幼虫喷药后，两代幼虫取食后8天的防效均达100％，而且与人工喷药防治相比具有成本低、效益高的优点。
The aprial spray of mieyouniao No. 3 prevent one generation and control continuative effect of two generation larvae was studied. The results showed that continuative control effect reach to 100% after spraying pesticide to 1 - 3 age larvae of one generation Hlyphantria cunea and 8 days after feeding on two generation Hlyphantria cunea. Aprial spraying are lower cost and higher efficiency than manual spraying.
出处
《林业科技》
2009年第3期35-36,共2页
Forestry Science & Technology
关键词
飞机防治
美国白蛾
持续药效
Controlled aeroplane
Hlyphantria cunea
Continuative control effect
