蚜虫是果树上的顽固害虫之一,它小虫体、大虫量、年发生代数多,干旱年代极易成灾。它以成虫、若虫群集危害苹果嫩梢及幼叶,从而抑制了新梢的生长、树体的发育及花芽的分化。若不加强防治,甚至会导致树体整株枯死。现介绍几种无公害防治蚜虫的方法,供广大果农参考。 Aphid is one of the stubborn pests on the fruit tree. It is a small insect body, large amount of insects, many generations occur in the year, drought drought disaster. It is adults, nymphs cluster harmful to apple shoots and young leaves, thereby inhibiting the growth of new shoots, the development of the tree and flower bud differentiation. If we do not strengthen prevention and control, we may even cause the whole plant to die. Now introduce several pollution-free aphids control methods for the majority of farmers reference.