该品系是由甘肃省农科院粮作所用35—131作母本、73—21—1作父本,通过有性杂交选育而成。 株型半直立,株高60—70厘米,属中晚熟品种,结薯集中,单穴薯块5—7个。薯块大而整齐,大中薯率90—97％。薯块扁圆或椭圆形,芽眼较浅,皮肉均为黄色,薯肉质地致密。薯块休眠期长、耐贮藏。 亩产3500公斤左右,比当地对照品种增产74.6％。薯块干物质含量24.1—30.66％,淀粉含量高 This line is produced by the Gansu Provincial Academy of Agricultural Sciences 35-131 for the use of grain as the mother, 73-21-1 as the male parent, through sexual cross breeding. Plant type semi-erect, plant height of 60-70 cm, is a late-maturing varieties, tubers focus, single-block 5-7. Large and neat potato tubers, medium and large potato rate of 90-97%. Potato oblate or oval, bud eyes shallow, flesh are yellow, thick flesh texture. Potato dormancy period, resistant to storage. About 3500 kg per mu, yield 74.6% more than the local varieties. Tuber dry matter content of 24.1-30.66%, high starch content