近两年来,苹果斑点落叶病已成为苹果生产上的主要病害,严重影响了苹果树的正常生长。为了有效地控制苹果斑点落叶病,进行了易保及其它杀菌剂的田间试验,以期筛选出防治效果良好的杀菌剂。1　材料与方法1.1　供试材料试验药剂为易保(美国杜邦公司生产);80%大生M-45(美国罗门哈斯 In the past two years, apple blight deciduous disease has become a major disease in apple production, seriously affecting the normal growth of apple trees. In order to effectively control apple spotted leaf deciduous disease, a field test of easy to maintain and other fungicides was conducted in order to screen out the fungicide with good control effect. 1 Materials and Methods 1.1 Test Materials Test drugs for the easy to protect (DuPont); 80% students M-45 (the United States Rohm and Haas