生长期间防治果实病害 ,除套袋外 ,药物防治是重要措施。笔者通过 2年的试验 ,根据病原菌的侵染规律总结认为 ,生长季防治轮纹病应分为 3个阶段。第一阶段 :落花后至 6月底 ,重点是控制病菌侵入幼果 ,此时幼果对药物敏感 ,要注意药剂的选择 ,避免药害。理想的药剂是 80 %大生Ｍ Prevention and control of fruit disease during growth, in addition to bagging, drug control is an important measure. The author through 2 years of experiment, according to the law of infection of pathogens concluded that the growth of the prevention and treatment of ring disease should be divided into three stages. The first stage: After falling to the end of June, the key is to control bacteria invade the young fruit, when the young fruit is sensitive to drugs, pay attention to the choice of agents to avoid injury. The ideal dose is 80% of students