摘要
研究了永佳牌WFB18-2和3W-650型机动喷雾器防治棉铃虫的效果。结果表明:与常用喷雾器相比,2种喷雾器在相同防效下可减少田间施药量,能有效节省成本和减少污染。
The control effect of two new motor-boom-sprayers to Helicoverpa armigera was tested. The results showed that they could decrease cost and pollution at the same control level compared with the normal sprayer.
出处
《河北农业科学》
2007年第6期21-22,25,共3页
Journal of Hebei Agricultural Sciences
关键词
机动喷雾器
棉铃虫
防治效果
Motor-boom-sprayer
Helicoverpa armigera
Control effect
