十字花科根肿病,分布广,全国各蔬菜种植区均有发生,该病专门为害十字花科的白菜、青菜、芥菜、薹菜、萝卜、甘蓝、苤蓝、花椰菜等多种栽培种和野生种蔬菜。该病可使十字花科蔬菜根和茎吸收传导养分受阻,从而导致植株生长不良、萎蔫、矮化,产量和质量降低,为害大,防治困难,是十? Cruciferae clubroot disease, widely distributed, the vegetable growing areas all over the country have occurred, the disease is particularly harmful cruciferous cabbage, green vegetables, mustard, scallop, radish, cabbage, blueberry, cauliflower and other cultivars and Wild species of vegetables. The disease can make cruciferous vegetable roots and stems to absorb the conduction of nutrients blocked, resulting in poor plant growth, wilting, dwarfing, yield and quality reduction, harmfulness, prevention and treatment difficulties, is ten?