20世纪 90年代以来 ,在苹果生产上大力推广了苹果套袋新技术 ,广大果农取得了较好的经济效益。但同时也发现 ,在套袋红富士的果面上出现了类似痘斑病的病斑 ,严重园片病果率高达 54% ,而且逐年加重 ,成为当前套袋苹果生产上的一大障碍。通过连续几年的反复调查和防治试验 ,我们 Since the 90s of the 20th century, the apple bagging technology has been vigorously promoted in apple production. The majority of farmers have achieved good economic benefits. But at the same time, it was also found that spots on the surface of bagged red Fuji appeared similar to spot blotch disease. The rate of severe disc disease was as high as 54% and increased year by year, making it a major obstacle in the current bagging apple production. Through repeated surveys and prevention trials for several years, we