白菜根肿病,曾是对内植物检疫对象,前几年基本被扑灭。近年,由于连作和保护地蔬菜的迅速发展,有些地区白菜根肿病又开始发生,个别地区发生还特别严重。山东胶州市里岔镇、九龙镇,即墨市移风店镇不少农民有在弓棚内种植春季大白菜的习惯,由于多年连作,这些地方的菜农根肿病就比较严重。 Cabbage clubroot disease, was the target plant phytosanitary, a few years ago was basically extinguished. In recent years, because of the rapid development of continuous cropping and protected vegetables, the occurrence of clubroot disease in some areas started to take place and the occurrence in some areas was particularly serious. Many farmers in Shifeng Town, Jiulong Town and Jiefengdian Town, Jimo City, have the habit of growing spring cabbage in Gongpeng. Due to years of continuous crop cultivation, they have a serious problem of clubroot disease.