油菜的常见病——龙头病和菌核病,对油菜产量影响很大。近两年来,我们生产队发动群众,大搞科学实验,贯彻以防为主,防治结合的方针,采取了一些综合防治措施,取得很好效果,基本上控制了病害。在七三年油菜龙头病大发生的情况下,我们队50亩军农油菜亩产240斤,其中有12亩平均亩产超过300斤,在这12亩油菜田中,只有六个龙头病株,菌核病也较轻,发病率为2.7％,病 Rape common disease - leading disease and Sclerotinia, a great impact on the yield of rapeseed. In the past two years, our production team mobilized the masses, conducted scientific experiments, implemented the principle of prevention first and prevention and control, and took some comprehensive prevention and treatment measures to achieve good results and basically control the disease. In the case of major rape blight occurred in 1973, our team of 50 mu military and peasants mu produce 240 kg, of which 12 mu average yield more than 300 pounds, in this 12 acres of rape fields, only six leading diseased strains, Sclerotinia is also mild, the incidence rate of 2.7%, disease