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丁家桥镇地处皖南山区泾县西南部,属于泾县油菜万亩高产创建核心示范区。全镇常年油菜种植面积稳定在万亩左右。近年来,由于油菜地连年连作重茬现象普遍存在,油菜根肿病呈现逐年加重趋势。特别是2013年正值油菜移栽时节,发现部分油菜地幼苗根部形成肿瘤,发病株率高达40%以上,少数地块出现成片幼苗枯死,呈绝收状态。油菜根肿病明显加重,对油菜生产造成了极大危害,预防油菜根肿病成为发展当地油菜生产的重要工作。
Dingjiaqiao Town is located in the southwestern part of Jingnan County in the southern mountainous area of Anhui Province. It belongs to the core demonstration area of high-yielding mu rape in Jingxian County. The town of perennial planting area stabilized at about mu. In recent years, due to the rapeseed continuous cropping continuous cropping phenomenon, rape clubroot disease showed increasing trend year by year. Especially in 2013, when rapeseed transplanting season was over, it was found that some rapeseeds formed tumors at the root of the seedlings and the incidence rate was as high as 40% or more. The rape stomatitis obviously aggravated, which caused great harm to the rapeseed production. It was an important work to develop the local rapeseed production to prevent rape bee stitching.