庆阳地区是我省冬小麦的主要产区,常年播种面积在300万亩以上,占全区粮食作物播种面积的60％多,是该区主要粮食作物之一。建国以来品种几经更换,对促进冬小麦产量的进一步提高发挥了积极作用。为了寻求在新的栽培技术条件下更为理想的冬小麦品种,于1981年从中国农科院引进43个冬 Qingyang area is the main producing area of ​​winter wheat in our province. The annual perennial sown area is over 3 million mu, accounting for over 60% of the sown area of ​​grain crops in the region, making it one of the major grain crops in the region. Since the founding of the state after several species change, to promote the further improvement of winter wheat production has played an active role. In order to seek better winter wheat varieties under the new cultivation technology conditions, in 1981 from the Chinese Academy of Agricultural Sciences introduced 43 winter