一、育成经过高原七号马铃薯系我院一九七八年用“高原四号”(多籽白×米拉)作母本,“高原三号”(牛头×米拉)作父本有性杂交单系培育而成。于一九六九年实生苗代和一九七○年无性一代在院内选择培育后,无性二至三代在大通长宁公社王家庄大队基点边繁殖边品比试验。一九七三年开始在省内一些马铃薯产区种植,一九七四年调至省外大面积种植。 First, bred through the Plateau No. 7 potato In our hospital in 1978 with “Plateau No. 4” (more seeds White × Mira) as the mother, “Plateau III” (Tau × Mira) as the father of sexual Hybrid single-line cultivated. After the selection of nursery generation in 1960 and the asexual generation in 1970, the asexual two to three generations multiplied at the base point of Wangjiazhuang Brigade, Changning Commune, Chase. In 1973, some potato planting areas began to be planted in the province, and large-scale planting outside the province was transferred in 1974.