为使果树的稳产,优质、高产现综合以下防治方法,供选用之。一、农业防治:消灭越冬卵。冬天及早春细致刮树皮,同时结合果树修剪,剪除被害的卷叶,卷梢,集中烧毁。对梨二叉蚜:10月中下旬当大部分梨蚜还未发育成熟而分散到梨枝上产卵之前,用竹竿振动梨枝,促使梨树提早枮叶,使大量梨蚜随叶 For the stable production of fruit trees, high quality, high yield is the combination of the following control methods for selection. First, agricultural control: eliminate the overwintering eggs. Winter and early spring, delicate bark, combined with the pruning of fruit trees, cut off the victims of the rolling leaves, curling up, concentrated burned. On the pear bifidus aphid: in late mid-to late when most of the pear aphid has not yet mature and dispersed to the pear branch spawning, vibrating pear branches with a bamboo pole, to promote the pear early leaves, so that a large number of pear aphids with leaves