Defoliants
常见例句
- (2) by spraying defoliant to control second instar larva, all the defoliants with 3 different concentrations could control the insects indirectly, and the effectiveness was as high as 95%;
通过施用脱叶剂处理叶片的方法来防治2龄若虫，试验所设3种浓度的脱叶剂均能间接起到防治作用，其效果均达到了95%25以上。 返回 Defoliants