大白菜原产中国,现已传至东亚各国,以及北美、北欧。在中国北方种植广泛,面积大,是该地区冬春的主要蔬菜。大白菜的杂种一代优势显著,目前国外多采 Chinese cabbage originating in China, has now spread to all countries in East Asia, as well as North America, Northern Europe. It is planted in the north of China with a large area and is the main vegetable in winter and spring in this area. Chinese cabbage hybrid generation has significant advantages, the current foreign mining