麦蚜、黄矮病在我省发生比较普遍,河西地区受害尤重。为了探寻治蚜防病对策,去年7月上、中旬省农学会组织有关方面人员对河西地区的麦蚜、黄矮病与冬麦关系问题作了实地考察。笔者参加了这次考察,在许多问题上取得了一致的意见,唯对把“压缩冬麦作为治蚜防病的战略措施”的问题存有不同看法。河西地区由纯春麦区逐渐发展为冬、春麦混种区,在一定程度上为传布黄矮病毒的介体——蚜虫提供了较好的越冬场所,有利其发生为害;但同时也为蚜虫的天敌——瓢虫、食蚜 Wheat aphids, yellow dwarf disease occurs more commonly in our province, especially in Hexi area. In order to find a cure for aphids, in July last year, the Central Provincial Agricultural Association organized relevant personnel to conduct field investigations on the relationship between wheat aphids, yellow dwarf and winter wheat in Hexi area. The author participated in this investigation and made many unanimous opinions on many issues. However, there are different opinions on the issue of “compressing winter wheat as a strategic measure to prevent aphids from disease.” Hexi area from pure spring wheat area gradually developed into winter and spring wheat mixed area, to a certain extent, for the spread of yellow dwarf virus mediator - aphids provides a good place for winter, which is conducive to the occurrence of damage; but also for the aphid Natural enemies - ladybugs, food aphids