陇薯14号为甘肃省农业科学院马铃薯研究所以自育杂交创新资源材料L9712-2为母本，L0202-2为父本组配杂交选育而成。该品种晚熟，生育期121 d左右。株型直立，株高65 cm。茎绿色，叶片绿色，花冠白色。结薯集中，单株结薯5个，大中薯率82%以上。薯块椭圆形，薯皮薯肉淡黄色，芽眼浅， 薯皮略粗。薯块休眠期长，耐贮藏、运输。薯块干物质质量分数269.2 g/kg，淀粉质量分数202.4 g/kg，粗蛋白质量分数26.3 mg/g，Vc质量分数 16.23 mg/100 g，还原糖质量分数1.99 g/kg。淀粉质量分数高、还原糖质量分数低，食味优，适宜作淀粉及全粉加工原料。植株田间高抗晚疫病，对花叶病毒病具有较好的抗性。平均产量27 300.0 kg/hm2。适宜在甘肃高寒阴湿、二阴地区及半干旱地区及同类地区种植。

Longshu 14 is a potato cultivar by parental combination of a inbred hybridization innovation resource materials L9712-2 with L0202-2， bred by Institute of Potato, Gansu Academy of Agriculture Sciences. It belongs to late-maturing cultivars， with the growth period of around 121 days， the plant height of 65 cm, semi-erect and green stem， white flowers and green leaves. The ratio of large and middle tuber is about 82%， the tuber number per plant is 5， as their tubers grow concentratively. The tuber is ellipse shaped， with yellowish skin and flesh， shallow bud eyes， and slightly rough surface. The tubers are suitable to storage and transportation for its long period of dormancy. The dry matter mass fraction of potato tuber is 269.2 g/kg， the starch mass fraction is 202.4 g/kg， rude protein mass fraction is 26.3 mg/g， Vc mass fraction is 16.23 mg/100 g， reducing sugar mass fraction is 1.99 g/kg， respectively. The tuber has high starch content， low sugar content， good taste， it is suitable for starch and granules processing. It is high resistant to late blight in the field， resistant to mosaic virus disease. The average yield is 27 300.0 kg/hm2. It is suitable to be grown in chilling and humid region of high-elevation， semi-arid region and similar ecological areas.

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国家现代农业产业技术体系(CARS-10)建设项目；甘肃省科技重大专项项目(1602NKDJ022)。