防治苹果绵蚜有新法苹果绵蚜是一种栓疫性病虫害在果树的老翘皮、枝丫、果台、芽等处吸汁危害，由于其身体表面覆盖一层蜡毛，喷药时很难接触。因而降低防治效果。采用氧化乐果涂荭的方法可以有效的防治苹果绵蚜。其方法是将有绵蚜危害的果树中心干距地面３０厘米处刮一１... Prevention and control of apple aphid has a new method Apple aphid is a pest of the disease in the old tree bark pests, branches, fruit sets, buds, etc. Suction juice hazards, due to the body surface covered with a layer of wax hair, spraying difficult to contact . Thus reducing the control effect. The use of omethoate Tuo method can effectively control apple aphid. The method is to have aphids harm fruit trees center dry 30 cm from the ground scraping a ...