我省大葱集中产地所用种子,主要由大葱成株采种而得。成株采种的可取之处在于种株经过商品大葱生长阶段,能够有效地进行选种。但繁殖周期长,产种量低,成本高。普遍使用的“懒葱”成株采种,虽经成株阶段,但不进行严格株选,导致种性退化,因而这一采种方法的实用价值和经济效益很不理想。在城市郊区蔬菜产地,种植“小葱”和 In our province, the seeds used in the place of origin of the green onions are mainly obtained from the seeds collected from the green plants. Descendants of adult plants is that the species through the growth stage of the product green onions, can effectively select the species. However, long breeding cycle, low yield and high cost. The commonly used “lazy onion” adult plant, although the adult stage, but not strictly strain selection, resulting in degenerative species, and thus the practical value of this method of mining and economic benefits are not ideal. In the suburbs of urban vegetable production, planting “shallot” and