谷子新品种在宁夏的生态适应性评价

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中图分类号：S515 文献标识码：A 文章编号：1006-060X（2025）09-0001-05

Ecological Adaptability EvaluationofNewSetaria italiea Varieties in Ningxia

LI Cheng-hu， ZHAI Xue-ning，WANG Xue-jian，CUI Jian-rong，YANG Liang （Agricultural Technology Extension Service Center of Haiyuan County，Haiyuan 7552Oo，PRC）

Abstract：ThisstudyaimstoscreenouthighqualitySetariaitalievarietiessuitableforplantinginthearidznofcentralNngxia and provideareferenceforeficientcultivationandvarietypromotionofSetariaitaliea.Tenintroduced Setaria italieavarieties weretestedfortheirecologicaladaptabilityinWuyuanVilage，HaiyuanCountyThemainagronomictraits，qualityindicators，and economic traits werecomparedamong diferent Setaria italiea varieties.Theprincipal componentanalysis （PCA）was performed forcomprehensiveevaluation.Theresultsshowedthatdifferentvarietiesvariedgreatlyinbiomass，yield，andmineralcontent， demonstrating highdiversity.ThePCAresults showed that topthree Setaria italiea varietiesinthecomprehensiveranking were 'Changsheng 13'，Dajinmiao'，and'Chifengguzi'，whichcanbepromotedand plantedinthisregionasthe major promotedariety. These three varietieshad the highest yields，which were5293.5，4 461，and 4 252.5kg/hm2 ，respectively.'Changsheng13'had the highestgrainweightperpanicle，dietaryfbercontent，andironcontent.Dajinmiao'hadhigherplants，single-panicleweight，straw weight，and iron content.'Chifengguzi' had the highest single-panicle weight and vitamin B2 content and higher grain weight per panicle，energydstarchcontent.Consideringqualityidicators，Zangzagu13nggu9'andanggul'avedality and are recommended for cultivation with the major varieties promoted.

Keywords：Setaria italiea; variety; ecological adaptability; principal component analysis

谷子（Setariaitaliea）为禾本科植物，在种子脱壳后又被称为小米，起源于中国北方地区]。（剩余7296字）