随着油菜杂交品种和高产栽培技术的大面积推广 ,油菜菌核病已经成为油菜夺取高产的一大障碍。采取农业措施防治菌核病 ,不仅避免了环境污染和农药残留 ,而且又是油菜培育壮苗的一项重要措施。1　实行轮作换茬油菜菌核病的菌核 ,绝大部分从油菜植株内遗落在土壤里 ,翌年萌发后成 With the large-scale popularization of rapeseed hybrids and high-yielding cultivation techniques, sclerotinia sclerotiorum has become a major obstacle to the high yield of rapeseed. Take agricultural measures to control Sclerotinia, not only to avoid environmental pollution and pesticide residues, but also rapeseed cultivation is an important measure. 1 implementation of rotation crop scion sclerotinia sclerotia, the vast majority of rape plants left in the soil, the germination of the following year into