大葱是我国一种主要的蔬菜栽培作物,近年来,我省不断地扩大了大葱的种植面积,也增多了大葱长发性病的菌源,对于品种抗性的研究也不够充足,因为受到病虫害的影响,导致大葱减产,使其大葱品质不断降低,也降低了经济效益。为了避免大葱常发性虫害的影响,需要选择好抗病的品质,处理好种子,加强研究栽培措施。 Scallion is a kind of main vegetables cultivated in our country. In recent years, our province has continuously expanded the planting area of ​​scallion and also increased the source of long-distance scourge of scallion, and the research of variety resistance is not enough, Effect, resulting in cut green onions, so that the quality of green onions continue to decrease, but also reduce the economic benefits. In order to avoid the impact of the common onion pests, we need to choose a good quality of the disease, deal with the seeds, and strengthen research and cultivation measures.