科新3号大豆由中国科学院遗传研究所通过化学诱变技术结合系谱选择方法培育而成。2001年通过国家农作物品种审定委员会的品种审定。 1、特征特性 春播株高100厘米左右,夏播80厘米左右,亚有限——无限结荚习性,有效分枝3～5个,株形收敛,椭圆形叶,紫色花、灰茸毛、浅黄色荚,3粒荚居多,籽粒圆形,种 Section 3 soybean by the Institute of Genetics, Chinese Academy of Sciences by chemical mutagenesis technology with pedigree selection method to cultivate. In 2001 through the National Crop Variety Approval Committee species validation. 1, Features Spring plant height of about 100 cm, summer sowing about 80 cm, sub-limited - unlimited pod habit, effective branching 3 to 5, plant shape convergence, oval leaves, purple flowers, gray hair, light yellow Pods, mostly 3 pods, round, seeds