摘要： GS豫豆8号是用系谱法从郑74046品系与尖叶桥梁亲本自然杂交株的杂种后代中选育成的窄叶型大豆新品种。具有高产、优质、抗病、抗倒、耐旱涝、成熟早、适应性广等优良特性。平均亩产162.4kg，比对照跃进5号增产21.2%，比豫豆2号增产13.1%。蛋白质含量43.91%，脂肪20.64%，超过国家双高优质标准。高抗大豆花叶病毒病，适宜黄淮海地区种植。

关键词: 大豆, 选育, 品种, 豫豆8号

Abstract: GS Yudou 8 is a narrow-leafed soybean variety derived from the natural hybrid of Zheng 74046 line and a tip soybean parent material (paternal) with a pedigree selection method. It is characterized by high yield, fine quality, diseases and lodging resistances, drought and waterlogging tolerance,early maturation and extensive adaptability. Its average yield is 2436kg/ha, which increased by 21. 2% and 13.l%compared with Yuejin 5 and Yuclou 2,cspectivcly. Its protein content is 43.91%,fat content is 20.64%,and both of them exceed the national standard of double-high fine quality. It has good resistance to mosaic of soybean and is suitable to be planted in the region of Huanghuaihai.

Key words: Soybean, Variety, Breeding