种子是农业最基本的生产资料。繁育新品种,加快良种推广,是提高农作物产量最经济、最有效的途径。针对种子企业在小麦生产中存在的问题,结合多年来生产实践经验,提出以下良种繁育的技术要点。1繁育企业要做好“三田”建设1.1穗行圃建设单穗选择是建立好穗行圃的基础。在专业育种技术人员指导下,可以在纯度较高的原种田或繁殖田中选 Seeds are the most basic means of production in agriculture. Breeding new varieties and accelerating the promotion of improved varieties are the most economical and effective ways to increase crop yields. According to the existing problems of seed enterprises in wheat production, combined with years of production experience, the following key technical points of breeding of improved varieties are put forward. A breeding enterprise should do a good job, “Mita” construction 1.1 Spike row nursery construction Single spike selection is to establish a good spike row nursery. Under the guidance of professional breeding technicians, you can choose the higher purity of the original farming or breeding field