谷子种质资源主要性状的遗传多样性分析

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开放科学（资源服务）标识码（OSID）：

AnalysisofGeneticDiversityinKeyTraitsofFoxtailMilletGermplasmResources

YANZhi-ming（CenterforAgriculturaleneticResourcesResearch，Shanxi AgriculturalUniversity，Taiuan，ShanxiO31）

AbstractObetie]IdrtundestadthgeneticdvesityoflocalfoxtaililtvarietisiSniandimproethutilati cyofgermplassous.etdxailidxpealatelsteaosdg neticdiversityiicsoftirinagooicdqalittraits，ogiprcipalmpontaalsisdsteraalyis.Rsule sults showed that among agronomic traits，grain weight per plant exhibited the largest coeficient of variation （ 22.07% ），while thousand-grain weightdemostratedtegestgeeticdiversityidex（.56）Forualittraitsudefatdisplaedelgestcofcitofan （ 18.82% ），andcrudeproteinshowedtheighestgeneticdiversityindex（1.41）indicatingrelativelyichgeneticdiversityamongthsted materials.Uoostigelatatrifaitstasovdateioftigete cantpostiveelaisndpmosielttioipalmpontalisaldt first five principal components accounted for a cumulative contribution rate of 83. 240% . Cluster analysis using Ward’s method classified the 30 foxtail varieties into five groups. Among these，Group II could serve as breeding materials for quality improvement，while Group IV could be utlizedasigieldmatealsfredingse.Cocusultslidafoudatiofopringthlatiofo tail millet germplasm resources.

Key WordsFoxtail millet;Germplasm resources;Agronomic traits;Quality traits;Genetic diversit

谷子是起源于我国的古老粮食作物之一，种植历史悠久，具有抗旱、耐瘠、适应性强等特点[1-3]，在我国北方旱作农业和食品消费多元化需求方面占有重要地位。（剩余6902字）