陇东地区属北方晚熟冬麦区的边缘地带，生态类型特殊，自然灾害频繁，冬小麦产量长期低而不稳。针对本区寒、旱、多病的自然条件，我们以抗冻、耐旱、抗病、优质、早熟、稳产为育种目标，选育出了适宜于陇东山塬地及川台地种植的冬小麦新品系９０平７。１选育经过我所利用... Longdong area belongs to the northern late maturing winter wheat area of ​​the edge zone, special ecological type, frequent natural disasters, low and unstable winter wheat production. In view of the natural conditions of cold, drought and sickness in this area, we have bred new winter wheat lines suitable for planting in Longdong Plateau and Chuantai Plateau in terms of frost resistance, drought tolerance, disease resistance, high quality, precocious and stable production 90 flat 7.1 breeding after I use ...