桃蚜净主枝涂环防治桃蚜效果好桃蚜是桃树的主要害虫之一，一年发生１０余代，主要以幼虫群栖为害叶片，以往防治使用的药剂对天敌杀伤力较大，而且蚜虫抗药性逐年增强，尽管喷药次数和用药量大大增加，防治效果却越来越差。为此，１９９６年春我们试用了“跳蚜净”涂主枝... Peach aphid net main branch ring control peach aphid good peach aphid peach is one of the major pests, pests occur more than 10 generations a year, mainly to larvae habitat damage leaves, the agent used in the past prevention and control of natural enemies of large lethal, And the aphid resistance increased year by year, despite the significant increase in the number and dose of spraying, the control effect is getting worse. To this end, we tried the spring of 1996, “aphid net” painted main branch ...