30%己唑醇悬浮剂防治苹果树斑点落叶病试验

Effects of 30% Hexaconazole SC on Apple Tree Alternaria Leaf Spot

进行了30%己唑醇悬浮剂防治苹果树斑点落叶病的田间药效试验。结果表明,连续用药3次可有效控制苹果树斑点落叶病的发生与为害,推荐使用浓度5 000~7 000倍,使用剂量为42.8~60.0 mg/kg,防效可达80%以上。30%己唑醇悬浮剂是防治苹果树斑点落叶病较好的药剂之一,是高毒、高污染农药的替代品之一。

The control effect of 30% hexaconazole SC on apple tree alternaria leaf spot was studied in field. The results showed that the control effect reached 80% when it was used 3 times at dosage of 42.8-60.0 mg/kg. It was one of effective pesticides for controlling apple tree altemaria leaf spot and could be an alternative to highly toxic and pollution pesticides.