苹果白粉病近年已成为胶州市苹果主要病害之一,红玉、倭锦等感病品种发病率高达75-85%。 防治苹果白粉病,应注意冬、春剪除病芽.病稍;加强肥水管理,增施磷、钾肥料。药剂防治经试验证明,以15%粉锈宁600倍效果最好,70%甲醛托布津1500倍次之,可于4月中下旬开始喷布第一次药,以后 In recent years, apple powdery mildew has become one of the main diseases of apple in Jiaozhou City. The incidence of susceptible varieties such as ruby ​​and so on is as high as 75-85%. Prevention and control of apple powdery mildew, should pay attention to winter and spring cut the bud disease. Slightly; to strengthen fertilizer and water management, increase phosphorus and potassium fertilizer. Pharmacy control test proved that 15% triadimefon 600 times the best, 70% formaldehyde thiophanate times 1500 times, in mid-to-late start dispensing the first drug in the future