当前,果树生产中使用的菊酯类农药有溴氰菊酯(敌杀死)、氯氰菊酯、杀灭菊酯(速灭杀丁).这类农药毒性低、药性稳定、亲脂性强、残效期长、低残留,对桃小食心虫、梨小食心虫、卷叶虫、旋纹潜叶蛾、金纹细蛾、毛虫、蚜虫的幼虫和卵均有较好的防治效果.但是,一些果园由于缺乏使用上述新农药的经验,造成防效不佳,不仅浪费农药,而且影响了生产.为此,在使用菊酯类农药时必须注意 At present, the pyrethroid pesticides used in the production of fruit trees are deltamethrin (enemy kill), cypermethrin, fenvalerate (imazethapyr), which have low toxicity, stable pharmacophores, strong lipophilicity, Long and low residue on peach moth, pest moth, leaf roller worm, leaf spiral moth, gold moth, caterpillars, aphids larvae and eggs have better control effect.But some of the orchards due to lack of The use of the experience of the new pesticides, resulting in poor control efficiency, not only a waste of pesticides, but also affect the production.To this end, the use of pyrethroid pesticides must pay attention to