近年来由于葡萄白粉病、霜霉病的严重为害,造成葡萄早期落叶,不仅影响当年葡萄枝条的健壮生长及花芽分化,也影响到第二年的产量,特别对于培育的幼苗,由于两病的相继发生,往往形成毀灭性的灾害。鉴于这种情况,今年在玫瑰香葡萄上进行了几种药剂的药效试验,所用的药剂有:克菌丹(500倍)、波尔多液(200倍倍量式)、 In recent years due to grapes powdery mildew, downy mildew seriously damaged, resulting in early deciduous grapes, not only affected the vigorous growth of grape branches and flower buds, but also affect the second year of production, especially for nursery seedlings, due to two diseases One after another, often a devastating disaster. In view of this situation, several medicinal efficacy tests were conducted on Muscat grapevine this year. The following agents were used: captan (500 times), Bordeaux mixture (200 times)