【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 ,且易产生药害更多还原

【Abstract】 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.更多还原