大白菜是我国最重要的蔬菜之一,每年全国的播种面积在400万亩左右,约占我国人民常吃的17种蔬菜总播种面积的26.7% (根据中国种子公司1982年的资料)。在我国北方,大白菜“种一季吃半年”,它的丰歉对人民群众的菜篮子影响极大。我们自1982年以来,“即注意了优良大白菜遗传资源的 Chinese cabbage is one of the most important vegetables in our country. Each year, the sown area in the country is about 4 million mu, accounting for 26.7% of the total sown area of ​​17 kinds of vegetables commonly consumed by our people (according to the 1982 data of Chinese seed companies). In the northern part of our country, Chinese cabbage “has been planted in a season for half a year,” and its apology has a great impact on the vegetable basket of the people. We have been paying attention to good Chinese cabbage genetic resources since 1982