由典型调查及试验研究结果分析,2001年油菜菌核病特大发生原因主要是气候适宜、主栽品种耐病性差及栽培管理措施不到位。治理对策,首先是选用耐病品种、降低移植密度、花期摘除病、黄、老叶等农业措施;其次,药剂防治要因地制宜选用药种,注意药剂有效含量,适当增加用药次数。 According to the results of typical surveys and experimental studies, in 2001, the major causes of sclerotinia sclerotiorum were climate-friendly, poor tolerance of main cultivars and inadequate cultivation and management measures. First of all, measures should be taken to select resistant varieties to reduce agricultural density such as transplanting density, flowering period removing disease, yellow and old leaves. Second, drug prevention and treatment should be selected according to local conditions, pay attention to the effective content of medicaments, and appropriately increase the number of medication.