大白菜是我市主要秋冬蔬菜品种之一。由于我市种植品种单一,严重感染软腐病、病毒病、霜霉病,因此产量低,远远不能满足市场需要。为此,我所于1979年由山东省青岛市农科所引入大白菜新品种“青杂中丰”。这个品种是该所从“中型城阳青71—5—1—6×福山包头”的自交不亲和系正 Chinese cabbage is one of the main autumn and winter vegetable varieties in our city. As a single species in our city, a serious infection of soft rot, virus disease, downy mildew, low yield, far from meeting market needs. To this end, I was in 1979 by the Qingdao City, Shandong Province, the introduction of Chinese cabbage new varieties of “Green Miscellaneous in abundance.” This variety is from the “medium-sized Chengyang green 71-5-1-6 × Fukuyama Baotou” self-incompatibility is positive