一、品种来源:该品种是利用有性杂交然后回交,经连年定向选育而成。二、所用材料:是用本场小麦育种室与其他单位合作育成的高产、稳产、抗病、抗寒、适种范围广、早熟的新品种,唯一缺点是茎秆弹性稍差,用了易倒伏的豫麦43作母本。父本是利用高产、稳产、茎秆坚韧、抗倒、但偏晚 First, the source of varieties: The variety is the use of sexual hybrid then backcross, after year-oriented breeding. Second, the materials used: This is the wheat breeding room with other units bred high yield, stable yield, disease resistance, cold resistance, suitable for a wide range of varieties, precocious new varieties, the only drawback is less flexible stems, with easy Lost Yumai 43 for the female parent. Paternal is the use of high yield, stable yield, stalks tough, anti-down, but late