小麦抗倒伏遗传位点与基因研究进展

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关键词:小麦(TriticumaestivumL.);抗倒伏;遗传位点;分子标记;基因;研究进展
中图分类号:S512.1 文献标识码:A
文章编号:0439-8114(2026)01-0186-25
DOI:10.14088/j.cnki.issn0439-8114.2026.01.030 开放科学(资源服务)标识码(OSID):
Advances in research on genetic loci and genes related to lodging resistance in wheat
LUO Zheng-hui,WANGWei-wei,ZHANGYu-jie,WANG Zhi,ZOU Jing-wei,ZHAO Zhen-jie, WEIChen-xi,YULiang,WANGFeng-zhi,NIULi-ya
(CangzouAcadeofiedFestiecHbeiKbororfrydaliat,agzobea)
Abstract:Wheatlodgingasamajorfctorimitigitsighndsableyield,hichseverelyfctedgrainyield,ualitydanizedharvestingeficiencyWiththedevelopmentofmolecularmarkertechnolog,researchershadsystematicallidentifidultiple quantitativetraitloci(QTL)relatedtolodgingresistanceacrossthewholewheat genome,andco-localized753resistanceloci,which werewidelydistributedon21chromosomes.ThedistributionofQTLonchromosomes2B,4B,and4Dwasparticularlydense,foring hotspots for the genetic regulation of lodging resistance.The dwarfing genes Rht ⋅BI and Rht-D1 were confirmed to be key genes regulatingplantheightandenhancinglodgingresistance.Theapplicationof techniquessuchas genome-wideasociationstudy(GWAS) andgeneeditinghadfurtherpromotedtheminingandfunctionalverificationofgenesrelatedtoodgingresistance(e.g.,TaD-2A, TaARF12,TaPRR1,and TaDEPI ).Despite significant progress,most QTL were still in the stage of rough mapping,and the validationofmajorQTandteiraplicationinbredingstillfcedchallenges.Inthefuture,iisnecesarytoadvancetefinpingof QTL,thecloningandfunctionalanalysisofkeygenes,andtodevelopmolecularmarker-asistedselectionandmultigenepyamidingbreedingstrategies tosupportthegeneticimprovementofthelodgingresistancetraitinwheatandthebreedingofnewcultivars.
Key words:wheat;lodging resistance;genetic locus;molecular marker;gene;research progress
小麦(TriticumaestivumL.)是全球重要的主食作物,在100多个国家广泛种植。(剩余35455字)