青梗类型小白菜是苏南地区秋冬季节栽培面积最大的蔬菜品种。针对原有地方品种对霜霉病、病毒病抗性较差，在病害高发年份严重影响秋冬蔬菜生产供应的现状，我所应用系谱选择与姐妹交株系选择相结合的方法，选育成功了抗病、优质、丰产的青梗类型小白菜新品种———青抗１号。 Type of Chinese cabbage is the type of cabbage in southern Jiangsu autumn and winter cultivation area of ​​the largest varieties of vegetables. For the original local varieties of downy mildew, the virus disease resistance is poor, in the high incidence of diseases seriously affect the status of autumn and winter vegetable production and supply, I use the pedigree selection and sibling cross selection, breeding success Resistant to disease, high quality, high yield of the type of Chinese cabbage breed Qingqing - green resistance on the 1st.