80年代初，由于主栽品种沙杂15号严重退化，使全区马铃薯生产出现了大滑坡局面。针对马铃薯生产上存在的问题，我们加强了马铃薯品种选育工作，选育目标为高产、抗病、抗旱、高淀粉、适应性强的新品种。榆薯1号马铃薯就是按此目标选育而成的。1亲本来源1976年由叶绿卡X58－15－ In the early 1980s, due to the serious degradation of the cultivated variety Sha Miscellaneous No. 15, the situation of great landslide occurred in potato production in the whole region. In view of the problems existing in potato production, we have strengthened the breeding of potato varieties and the breeding target is new varieties with high yield, disease resistance, drought resistance, high starch and strong adaptability. Yushu No. 1 potato is based on the goal of breeding. 1 Parent Source 1976 by the Green Card X58-15-