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苹果绵蚜是我国植物检疫对象之一。除危害苹果外,也危害山楂、海棠等。根据其发生危害的特点,可采用以下防治措施:(1)结合冬季刮治果树腐烂病,检查刮陈树缝、树洞、伤疤处的越冬若虫。夏季结合果园中耕除草及冬季清园,彻底铲除苹果、海棠、山楂、山定子等的根蘖,清除其若虫寄生
Apple aphid is one of the objects of plant quarantine in our country. In addition to endanger the apple, but also endanger hawthorn, begonia and so on. According to its characteristics of the hazards, the following control measures can be used: (1) combined with the winter cure tree rot disease, check the tree branches, tree holes, scars over wintering nymphs. In summer, we combine the cultivation of weeds in the orchards and the Qingyuan Garden in winter to completely eliminate the root tillers such as apples, begonias, hawthorn and mountain statues, and eliminate the parasitic nymphs