稻曲病的药剂防效试验  

Controlling Rice False Smut by Applying Pharmaceutical Products

作　　者：吴格娥 魏永建 刘琳丰 何宪江 

机构地区：[1]贵州省黔东南民族农业学校,凯里556000

出　　处：《贵州农业科学》2000年第5期21-23,共3页Guizhou Agricultural Sciences

摘　　要：通过 3年试验 ,筛选出对稻曲病防效较好的药剂有络氨铜、DT杀菌剂、CT杀菌剂 ,防效达 70 %左右 ,施药的适期在水稻孕穗末期破口前 5d左右 ,施药的有效次数为 1次 ,破口后施药药效不理想 。Cuprammonia, DT and CT fungicide are selected for controlling rice false smut according to three year experiment results and the optimum period of application is about 5 days before the telophase of booting stage and the control effectiveness rate is up to 70%. But, if the agents are applied at the prophase of heading stage, the control effectiveness is poor and causing medical harm.

关 键 词：稻曲病 药剂防治 药效试验 水稻病害 

分 类 号：S435.111.4[农业科学—农业昆虫与害虫防治]