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1 品种来源承单 2 2号是中种集团承德长城金山种子科技有限公司组配的早熟玉米杂交组合 ,2 0 0 0年庆阳地区种子公司引进并开展示范种植。2 特征特性2 .1 极早熟、抗冷。在西峰夏播生育期90天 ,鲜食 75天 ,生育后期遇低温、阴雨均能正常结实灌浆。2 .2 抗旱、耐瘠、适应性
1 Variety Source Contract No. 2 No.2 is a early-maturing maize hybrid combination provided by China National Seed Group Chengde Great Wall Jinshan Seed Technology Co., Ltd. In 2000, the seed company in Qingyang District introduced and carried out demonstration planting. 2 Characteristic characteristics 2.1 Very precocious, cold-resistant. In the Xifeng summer sowing period of 90 days, fresh food 75 days, low temperature during postpartum, rain and rain can be normal and strong filling. 2 .2 drought, barren, adaptability