0.05%大黄素甲醚悬浮剂对4种作物白粉病的田间防效研究  

Field Control Efficacy of 0.05%Physcion SC Against Powdery Mildew on Four Crops

作　　者：赵霞[1] 夏丽娟[1] Zhao Xia;Xia Lijuan(Institute for the Control of Agrochemicals,Chengdu Sichuan 610041,China)

机构地区：[1]四川省农药检定所,四川成都610041

出　　处：《农药科学与管理》2021年第7期44-49,共6页Pesticide Science and Administration

摘　　要：探讨大黄素甲醚对白粉病的田间防效。开展了0.05%大黄素甲醚悬浮剂对草莓、番茄、黄瓜、葡萄4种作物白粉病的田间药效试验。药剂处理区病指是清水对照区病指的1/3~1/5,防效在70%~80%,可有效控制白粉病的危害。0.05%大黄素甲醚悬浮剂对草莓、番茄、黄瓜、葡萄4种作物白粉病具有良好的防效。To study the field control efficacy of physcion against the powdery mildew.The field efficacy trials of 0.05%physcion SC on strawberry,tomato,cucumber and grape powdery mildew was carried out.The disease index in the physcion treatment area was 1/3~1/5 of that in the clean water treatment area,The control effect was 70%~80%,which demonstrated that 0.05%Physcion SC can effectively control powdery mildew.0.05%physcion SC had good control effect against powdery mildew on strawberry,tomato,cucumber and grape.

关 键 词：大黄素甲醚 白粉病 防治效果 

分 类 号：S482.2[农业科学—农药学] S481.9[农业科学—植物保护]