蛀干性害虫是危害花木的致命大敌。经叶面喷药、树干刮皮涂药、钻孔注药等处理,虽能杀死一些蛀干性害虫,但由于木本植物木质部输导组织的特殊性,药物很难游散到每一个部位,因此不可能将所有蛀干性害虫杀死。这里介绍一种制作毒签堵杀蛀干害虫的方法。 1.制作毒签先削制竹签,可将毛竹的节间截成3～5厘米的长段,剖开后削成一端尖、直径约1毫米左右的小竹签。然后将192克桃胶、120克磷化锌(俗称老鼠药),加适 Dry moths are deadly enemies endangering flowers and trees. After the foliar spray, the trunk scraping the skin Tu medicine, drilling injection drugs and other treatment, although can kill some bore dry pests, but due to the particularity of woody xylem-guided tissues, the drug is difficult to swim to each It is therefore impossible to kill all borers. Here’s a way to make a poison tag to kill a pest. 1. Making poison first cut bamboo sticks, bamboo internodes can be cut into 3 to 5 cm long section, cut open into an end sharp, about 1 mm in diameter of small bamboo sticks. Then peach 192 grams of peach, 120 grams of zinc phosphide (commonly known as rat medicine), plus appropriate