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抗病品种在油菜菌核病综合防治中的作用1990-1992年作者分别在彬江、下浦和岐山3地对油菜菌核病进行综合防治试验示范,结果:种植抗病品种中油821平均发病率为3.48;抗病品种结合综防发病率为2.02;抗病品种结合综防加田间药剂防治,发病率为2.8...
The role of disease-resistant varieties in the prevention and treatment of rape SCIDI 1990-1992 The authors in the Binjiang, Xiapu and Qishan comprehensive prevention and control of rape Sclerotinia demonstration, the results: the planting of resistant varieties of oil 821 the average incidence For the 3.48; disease-resistant varieties combined with comprehensive prevention incidence of 2.02; resistant varieties combined with integrated prevention and treatment of field agents, the incidence rate of 2.8 ...