一、桃小食心虫1.地面防治在幼虫出土前,用乐斯本稀释1000倍液喷在山楂树盘内的土面上,间隔15￣20天再喷1次,可有效防治桃小食心虫。2.树上防治在其产卵盛期及幼虫孵化盛期对山楂树进行喷药,可用乐斯本稀释1000￣1500倍液,或10%联苯菊酯乳油稀释1000￣2500倍液喷雾。二、山楂叶 First, peach mung worm 1. Ground control Before the larvae unearthed, with Spokane diluted 1000 times sprayed on the soil surface of the hawthorn tree, another interval of 15 to 20 days and then spray 1, which can effectively prevent peach Moxibustion. 2. Tree control In its peak and larvae spawning peak Hawthorn spray, can be diluted with Lebanon 1000 ~ 1500 times, or 10% bifenthrin EC diluted 1000 ~ 2500 times the spray. Second, hawthorn leaves