【摘要】 本文通过灭幼脲超低量防治柳毒蛾试验 ,得出灭幼脲防治柳毒蛾的防治效果可达 98% ,并有明显的延续效应。同时提出防治适期、最佳用药量的喷雾作业方式。更多还原

【Abstract】 Through experiments on controlling Stilpnotia salicis with ultua low volume Mieyouniao, controlling effect is able to get 98%. And it has obvious lasting effect. Optimum period for control, optimal chemical using amount and spraying method have been put forward.更多还原