通过几种药剂对苦瓜白粉病的防效比较试验,结果表明:30%醚菌·啶酰菌SC对苦瓜白粉病具有较好的防治效果,且对作物安全无药害,可以放心在生产上推广应用。使用30%醚菌·啶酰菌SC防治苦瓜白粉病的浓度以2000～3000倍为宜,在发病前或发病初期进行施药防治,隔7d施药1次,发病偏重时喷药浓度可用2000倍液。 The results showed that the control effect of 30% Bacteroides albicans SC on bitter gourd powdery mildew had good control effect and no harm to crop safety, so it can rest assured that in production Promote the application. The use of 30% ether bacteria bifidobacteria SC control bitter melon powdery mildew concentration of 2000 to 3000 times is appropriate, before or at the onset of disease application control, spraying once every 7d, the incidence of serious spraying concentration available 2000 Times solution.