选育任务的提出洋葱具有较高的营养价值和经济价值,深受生产者和消费者欢迎。尤因洋葱便于贮藏运输,成为调剂市场均衡供应的重要蔬菜。洋葱生产具有广阔的发展前途。随着生产的发展和消费水平的提高,对洋葱品种提出了愈来愈高的要求。但因我国的洋葱栽培历史较短,品种多样性不足,特别是我国北方的洋葱品种,常用的 Raise the task of breeding onions with high nutritional value and economic value, welcomed by producers and consumers. Ewing onion for storage and transportation, a balanced market to adjust the supply of important vegetables. Onion production has broad prospects for development. With the development of production and the improvement of the level of consumption, higher and higher requirements are put forward for onion varieties. However, due to the short history of oncology cultivation in our country and the lack of species diversity, especially the onion varieties in northern China,