紫甘蓝是从国外引进的一个结球甘蓝的生理小种。1992年石家庄市郊区西里乡引种成功。紫甘蓝叶片为紫色,叶肉肥厚、叶球紫红,颜色艳丽。具有结球紧,适应性广,耐寒耐热,病害少,产量高,耐贮、耐运。其营养丰富,并具有药膳功能,供应宾馆、饭店深受欢迎。可排开播种,分期收获,全年均衡供应市场,主要栽培技术如下: 1.育苗:春季生产紫甘蓝,在预先准备好的保护地育苗,如暖窖、阳畦等。育苗技术同普通甘蓝。播后,温度要求白天20～25℃,夜间15℃,幼苗出土后及时放风防止徒长。其后白天温度保持20～ Purple cabbage is introduced from abroad a cabbage physiological races. In 1992 Shijiazhuang suburbs Xili Township introduction success. Purple cabbage leaves purple, hypertrophy of leaf, purple ball leaves, bright colors. With knot tight, wide adaptability, cold and heat, less disease, high yield, storability, resistance to transport. Its nutrition is rich, and has medicinal function, supply hotels, restaurants, popular. Can be arranged in rows, staged harvest, a balanced supply market throughout the year, the main cultivation techniques are as follows: 1. Nursery: purple cabbage production in the spring, in the pre-prepared seedling protection, such as warm cellar, sunshine and so on. Nursery technology with ordinary cabbage. After sowing, the temperature requires 20 ~ 25 ℃ during the day and 15 ℃ at night. After that day the temperature remained 20 ~