甘肃省旱作区马铃薯品种（系）品质分析与评价
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中图分类号：S532 文献标志码：A 文章编号：1673-2871（2025）09-075-09
Quality analysis and evaluation of potato varieties（lines） in dry farming areasofGansu province
ZHANG Zhiwei’， FENG Kunrong1， LIANG Hongjie²， LI Haijiao'， XU Guoping'， ZHANG Wu² （1.LinxiaAdean;tehtdel Sciences，Lanzhou 73oo70，Gansu，China）
Abstract： Inorder to screenout high-quality potato varieties（lines）suitable for planting indry farming areas of Gansu province，19indicatorsrelatedtothetubertraits，basicutritionalindexes，andmieralelementcontentsof37potatoarieties（lies）were measured，and comprehensive evaluations of potatoquality wereconducted usingcorrelationanalysis， principalcomponentanalysis，andhierarchicalclusteranalysis.Theresultsshowedthatthecoeficientofvariationofseleniumcontent，averagesingle tuber mas，and magnesiumcontent were higher，reaching 0.64，0.47，and0.45，respectively. Correlationanalysis indicatedthatthereweresignificantcorelationsamong the19 indicatorsofthe37potato Varieties （lines）.Byusing principal componentanalysis，thequalityof37potato varieties（lines）wascomprehensively evaluated， withLY1631-1andLinshuNo.18ranking firstandsecond，and theircomprehensive scores being greater than1.Amodel was constructed using stepwise linear regresson，and the verification results showed thatthe principal component analysis modelwasaccurateandreliable.Hierarchicalclusteranalysis showedthatthe materialscouldbedividedintothree majorcategoriesatathresholdofabout1.5，withthefirstcategory（LY1631-1，LinshuNo.18，etc.，26materials）havinga highcomprehensiveevaluation，thesecondcategory（Lishu No.6，etc.，9materials）havingamoderatecomprehensive evaluation，andthethirdcategory（L330-33，LY52-9）havingalowevaluation.Inconclusion，26varieties（lines）with highcomprehensiveevaluation such as LY1631-1andLinshuNo.18can beusedas high-quality potato germplasmresourcesin dryfarmingareasofGansu province.
KeyWords：Potato;Germplasmresource; Correlationanalysis;Principalcomponentanalysis;Comprehensiveevaluation
马铃薯（SolanumtuberosumL.）又称土豆、洋芋等，是继水稻、小麦之后的世界第三大粮食作物2，其块茎营养丰富，不仅含有淀粉、还原糖、蛋白质、维生素等物质，还有丰富的矿物质元素[3-4]，对维持人体健康发挥着极其重要的作用[5。（剩余10922字）
