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采用大田抽样调查方法,2005～2012年对峨山县油菜根肿病发生情况和流行状态进行了调查与分析。发现本县根肿病的发生近年来一直呈快速上升态势,发病面积增加了1倍以上;并通过调查比较了隔茬轮作方式的水稻—油菜、烤烟—油菜、蔬菜—油菜轮作方式及隔年轮作方式的烤烟—蚕豆—水稻—油菜、水稻—蚕豆—水稻—油菜轮作方式与油菜根肿病发生的关系,发现实行隔茬轮作方式中的水稻—油菜水旱轮作方式、隔年轮作方式的烤烟—蚕豆—水稻—油菜、水稻—蚕豆—水稻—油菜轮作方式对控制该病的发生,效果非常明显。依据调查结果提出油菜根肿病防控对策。
Using field sampling survey method, the incidence and prevalence of clubroot disease in Rape from 2002 to 2012 were investigated and analyzed. The incidence of clubroot disease in this county has been rapidly rising in recent years, and the disease area has more than doubled. The investigation was conducted to compare the rotation patterns of paddy-canola, flue-cured tobacco, rapeseed, The results showed that the combination of rotation and rotation of rice and rape cultivars in rapeseed rotation and rapeseed rape - Broad bean - rice - rapeseed, rice - broad bean - rice - rapeseed way to control the occurrence of the disease, the effect is very obvious. Based on the survey results rape clubroot disease prevention and control measures.