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采用15％粉锈宁可湿性粉剂、45％结晶石硫合剂、50％代森锰锌等9种常规农药,对薇菜白粉病的分生孢子进行毒力测定和对薇菜白粉病进行防治试验。结果表明:15％粉锈宁可湿性粉剂1500倍液、45％结晶石硫合剂179倍液(0.2°Be)和扑菌特可湿性粉剂1500倍液3种药剂对薇菜白粉病防效良好。3种药剂可在生产上交替使用。
Nine kinds of conventional pesticides such as 15% Triadimefon WP, 45% CCS and 50% Mancozeb were used to test the virulence of the conidia of the powdery mildew and the control of the powdery mildew. The results showed that 15% triadimefon WP 1500 times, 45% SRS 179 times liquid (0.2 ° Be) and Monascus wettable powder 1500 times liquid had good control effect on V. powderyllosporium. 3 kinds of agents can be used alternately in production.