冬小麦新品系陇鉴１９ 是甘肃省农科院旱农所以济南２ 号为母本、秦麦４ 号为父本经有性杂交选育而成，该品系平均穗粒数２７．３ 粒、千粒重４０．７ｇ，生育期平均２７８ ｄ，抗旱、抗寒、耐瘠、田间抗病性强、稳产且适种区域广，品质好，蛋白质含量１５．４８％ ，赖氨酸含量０．５０％ 。 Longxi 19, a new winter wheat line, was selected from female parents of Gansu Academy of Agricultural Sciences Jinan 2 as female parent and Qinmai 4 as male parent through sexual cross-breeding. The average grain number per spike was 27.3 and the grain weight per 1000 40.7g, the average growth period of 278 d, drought, cold, barren, field resistance, stable and wide range of suitable species, good quality, protein content 15.48%, lysine content 0.50%.