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2008年陕西省汉阴县油菜菌核病发生面广,为害严重。分析原因主要是长期连作,田间菌源充足;主栽品种抗(耐)病性低;田间管理技术不到位;气候条件对发病较为有利等方面。据此提出了选用抗耐病品种,加强田间管理,搞好初花期至盛花期的药剂防治等对策措施。
In 2008, Hanyin County, Shaanxi Province rape sclerotinia occurred a wide range of serious damage. The main reasons for the analysis were continuous cropping in long time, sufficient bacterial source in the field, low resistance to resistance of the main cultivars, inadequate field management techniques, and favorable climatic conditions for the disease. Based on this, the countermeasures such as selection of anti-disease-resistant varieties, strengthening of field management, and prevention and treatment of pesticide from early flowering to full flowering were put forward.