80年代以来 ,甘蓝软腐病在高淳县包菜上的发生为害日益加重 ,发病轻的 ,损失 10～ 2 0 % ;发病重的 ,损失 5 0 %以上。防治药剂种类较少 ,且防效不理想。为此 ,我们在 2 0 0 0年进行 5 0 %消菌灵粉剂等 3种药剂防治包菜软腐病的药效试验。1材料与方法1.1供试药剂　 5 0 %消菌灵 Since the 1980s, cabbage soft rot disease in Gaochun County cabbage on the growing damage, the incidence of light, the loss of 10 to 20%; the incidence of serious, loss of more than 50%. Prevention and treatment of less types of drugs, and anti-efficiency is not satisfactory. To this end, we carried out in 2000 0 50% decontamination powder agents such as three kinds of pharmacological effects of cabbage soft rot disease test. 1 Materials and Methods 1.1 for the test drug 50% disinfection Ling