大豆新品种陇中黄603是以晋大70为母本、中作983为父本杂交选育而成。2016 —2017 年参加甘肃省大豆区域试验，2 a平均折合产量 2 966.55 kg/hm2，较对照品种陇豆2号增产12.88%。2018 年参加甘肃省大豆生产试验，平均折合产量 3 131.70 kg/hm2，较对照品种陇豆2号增产14.20%。该品种高产、品质优，抗旱、抗病、抗倒伏能力强。籽粒含蛋白质(干基)417 g/kg、脂肪(干基)193.1 g/kg。适宜在甘肃省河西灌区、沿黄灌区、陇东和陇南地区种植。

Longzhonghuang 603 is a new soybean cultivar，obtained from the progeny population of a cross with Jinda 70 as female parent and Zhongzuo 983 as male parent. In 2016 — 2017， the average yield in 2 a was 2 966.55 kg/hm2， 12.88% higher than the control Longdou 2 in Gansu Soybean Regional Trial. In 2018，the average yield was 3 131.70 kg/hm2， 14.20% higher than the control Longdou 2 in Gansu Soybean Production Trial. The cultivar was characterized by high yield， excellent quality， drought resistance， disease resistance and lodging resistance. The grains contained protein(dry group) is 417 g/kg and fat(dry group) is 193.1 g/kg. It is suitable to be grown in Hexi Irrigation Area， Along the Yellow Irrigation Area， Eastern and Southern of Gansu province.

S565.1

甘肃省农业科学院科研条件建设及成果转化项目(2019GAAS07)；中央引导地方科技发展专项项目；甘肃省特色作物产业体系项目；甘肃省科技计划重大专项项目(18ZD2NA008)；国家农作物种质资源共享服务平台(甘肃)(NICGR-2019-22)。