萝卜为重要的十字花科萝卜属根茎类蔬菜,以肉质根供食用,是普遍受城乡居民喜爱的大众化蔬菜之一。我国南北各地均有栽培,品种种类繁多,含有丰富的碳水化合物和多种维生素,营养丰富,在我国民间有“小人参”之美称。市场在要求满足周年供应的同时,也日益强调萝卜的品质。但其在不良的自然环境条件和栽培管理技术条件下,易发生辣味、苦味、黑心和黑皮等多种生理性病害,进而降低萝卜的商品性和品质及产量,严 Radish is an important crucifer radish root vegetables, fleshy root for food, is generally popular among urban and rural residents of popular vegetables. China has cultivated all over the north and south, a wide variety of varieties, rich in carbohydrates and vitamins, nutritious, in our country have “small ginseng ” reputation. As markets demand annual supplies, the quality of radishes is also increasingly emphasized. However, under the conditions of poor natural environment and cultivation and management techniques, it is easy to produce various physiological diseases such as spicy, bitter, black and black skin, thereby reducing the commerciality, quality and yield of radish.