金帅果锈的预防金帅苹果产量高，品质好，颇受消费者欢迎。但金帅果实易生果锈，对果品外观质量有极大影响。预防金帅果锈可采取以下几项措施。１．增施钾肥每株施硫酸钾１～２ｋｇ，生长期喷洒３～４次５００倍硫酸钾或磷酸二氢钾。２．改进施药技术喷雾时雾滴要细，采用... Golden handsome rust fruit prevention Shuai Shuai Apple high yield, good quality, popular with consumers. However, the fruit of King handsome fruit rust, fruit appearance quality has a great impact. Prevention of Marshall rust can take the following measures. 1. Potash fertilizer application per plant potassium 1 ~ 2kg, the growth of spraying 3 to 4 times 500 times potassium sulfate or potassium dihydrogen phosphate. 2. Improve the spraying technology spray droplets to be fine, using ...