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[目的]筛选能有效防治葡萄霜霉病和白粉病的药剂。[方法]在田间小区试验中,防治葡萄霜霉病设6种药剂,防治葡萄白粉病设3种药剂,于2种病害发生初期每隔7 d施药1次,共施3次,施药后7~10 d统计病叶率和病情指数,分析防治效果。[结果]6种药剂中,烯酰吗琳、灰霜特、金雷多米尔和灭菌成对葡萄霜霉病均有较好的防效,其中在霜霉病发生严重的地区,灰霜特防病效果最好,在发生较轻的地区,烯酰玛琳和金雷多米尔防效最好,其次为灭菌成。供试的3种药剂均能较好地防治葡萄白粉病,在白粉病发病较为严重的地区,三唑酮防病效果最好,白粉病发生相对较轻的地区,阿米西达防治效果最好,其次为敌力康。[结论]该研究为这2种病害的防治提供重要的指导依据。
[Objective] The research aimed to screen the agents that can effectively control grape downy mildew and powdery mildew. [Method] In the field plot experiment, 6 kinds of medicaments for controlling grape downy mildew and 3 kinds of medicaments for preventing and controlling grapes powdery mildew were set up. The 2 kinds of diseases were applied once every 7 days and applied 3 times. After 7 ~ 10 d, the diseased rate of disease and disease index were calculated, and the control effect was analyzed. [Result] Among the 6 kinds of medicaments, all of the 6 kinds of medicaments had good control effects, such as voricolone, vancomycin, gold Torrendam and bacteriostatics against grape downy mildew. Among them, in the areas where downy mildew occurred, Especially the best prevention and treatment of diseases, occurred in the lighter areas, domperidone and gold Lei Domin Mills control the best, followed by sterilization into. The tested three kinds of medicaments can better control the grape powdery mildew. In areas where the occurrence of powdery mildew is more serious, the best preventive effect of triadimefon and the relatively light powdery mildew occurred. The control effect of Amistar Good, followed by the enemy Kang. [Conclusion] The study provided important guidance for the prevention and treatment of these two diseases.