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春尺蠖的防治:1.根据春尺蠖雌蛾成虫无翅特性,在3月上旬用塑料布在树干基部捆成喇叭形,阻止雌蛾成虫上树,定期收集杀灭。2.在幼虫3龄以前,即4月下旬～5月初,喷洒农药杀虫。3.加强中耕或翻耕,可杀灭在地下越夏、越冬虫蛹。大青叶蝉的防治:1.定期清除杂草,改善林地环境,减少大青叶蝉的孽生地。2.剪除产卵密度大的枝条和挤压零星产卵枝条,以减少虫源。3.秋季大量成虫集中到苗圃和幼林地,此时用40%乐果乳油,也可用2.5%敌杀死乳油喷苗木和幼树,还要喷地面杂草,杀灭成虫。
Spring 蠖 prevention and treatment: 1. According to the spring 蠖 蠖 female moth wingless characteristics, in early March with plastic sheeting trunks at the base tied into a trumpet to prevent female moths on the tree, regularly collected to kill. Before the 3rd instar larvae, that is, in late April ~ early May, spraying pesticides insecticide. 3. To enhance cultivating or tillage, can kill the more summer in the ground, overwintering pupae. Prevention and treatment of leafhopper: 1. Regularly remove weeds, improve the woodland environment, reduce the leafhopper of the evil habitat. 2. Cut off the large spawning density of branches and sporadic spawning branches to reduce the source of insects. 3. A large number of adults fall into concentrated nurseries and young woodlands in autumn, at this time with 40% dimethoate, but also with 2.5% of the enemy to kill cream spray seedlings and saplings, but also spray the ground weeds to kill adults.