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为了探索防治葡萄霜霉病和葡萄白腐病两病兼治的新药剂,达到减少打药次数、降低防治成本、减轻劳动强度的目的,试用防治葡萄白腐病效果很高的“京2B加退菌特”进行田间药效试验。试验于
In order to explore the prevention and treatment of grape downy mildew and grape white rot disease both disease and cure of new agents, to reduce the number of fight drug, reduce prevention and control costs, reduce labor intensity purposes, try to control the effect of grape white rot “Beijing 2B add dehumidification Special ”field efficacy test. Test at