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１ 前 言 马铃薯是是秦岭巴山山区人民的主要粮菜兼用作物。年种植面积达３．４万ｈｍ~２，一般年总产鲜薯５０～６０万ｔ，播种面积和总产分别占薯类面积和产量的６２％和６８％。为了实现薯类生产的深度开发应用，实现秦巴山区增产增收，从１９９０年开始建立良种繁育基地，?
1 Introduction The potato is a staple food and staple crops for people in the mountainous areas of Bashan Mountain in Qinling Mountains. Annual planting area of 34,000 hm ~ 2, the general annual total output of fresh potatoes 500,000 to 600,000 t, sown area and total output accounted for 62% of potato area and output and 68%. In order to realize the deep development and application of potato production, increase production and income in Qinling-Bashan mountainous areas and establish breeding base for breeding since 1990?