套袋防治苹果果实轮纹病效果好近几年，由于气候因子的异常变化，苹果轮纹病引起的果实腐烂越来越重。为此，我们对该病的防治方法进行了认真的调查分析。结果表明，果实套袋是防治该病烂果的最有效方法。据１９９１年调查，用一般的药剂一年防治三次的果园，富士的病果率... Bagging prevention Apple fruit ring rot disease effect In recent years, due to the abnormal changes in climatic factors, apple rot disease caused by fruit rotten more and more. To this end, we conducted a careful investigation and analysis of the prevention and treatment of the disease. The results showed that fruit bagging is the most effective way to control the rotten fruit of the disease. According to the 1991 survey, with the general agent three times a year to prevent orchards, Fuji’s disease rate ...