绿乳铜对几种主要病害的防治方法（一）苹果轮纹病：植株结果中后期喷施１２％绿乳铜５００倍液，混多菌灵５００倍液药效更佳。（二）苹果炭疽病：坐果３５天开始用药，每隔１０～１５天喷铜制剂一次至收获。药剂可用以下几种交替使用：１２％绿乳铜６００～１０００倍，... Green milk of copper on several major diseases prevention and treatment methods (a) apple ring disease: plant results in the late spraying of 12% green milk copper 500 times, 500 times more effective mixed carbendazim. (B) Apple anthracnose: 35 days to start fruit medication, every 10 to 15 days spray copper preparations once to harvest. Pharmacy can be used alternately as follows: 12% green milk 600 ~ 1000 times, ...