資源描述：
《水稻抽穗揚花期耐熱qtl(qhth5)+定位及其遺傳效應分析》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學術(shù)論文-天天文庫。
1、中國水稻科學(ChinJRiceSci),２０１５,２９(２):１１９－１２５http://www．ricesci．cnDOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１５．０２．００２１１９水稻抽穗揚花期耐熱QTL(qHTH５)定位及其遺傳效應分析曹志斌謝紅衛(wèi)聶元元毛凌華李永輝蔡耀輝?(江西省超級水稻研究發(fā)展中心/國家水稻工程實驗室(南昌),南昌３３０２００;?通訊聯(lián)系人,EＧmail:cyhui１２３０００＠sina．com)MappingaQTL(qHTH５)forHeatToleranceattheHeadingStageonRiceChromosome５and
2、ItsGeneticEffectAnalysisCAOZhiＧbin,XIEHongＧwei,NIEYuanＧyuan,MAOLingＧhua,LIYongＧhui,CAIYaoＧhui?(LaboratoryofRiceNationalEngineering,JiangxiResearchandDevelopmentCenterofSuperRice,Nanchang３３０２００,China;?Correspondingauthor,EＧmail:cyhui１２３０００＠sinac．om)CAOZhibin,XIEHongwei,NIEYuanyuan,etal．MappingaQ
3、TL(qHTH５)forheattoleranceattheheadingstageonricechromosome５anditsgeneticeffectanalysis．ChinJRiceSci,２０１５,２９(２):１１９Ｇ１２５．Abstract:UsinganinterspecificnearＧisogeniclinederivedfromOryzasativassp．indica(Shuhui５２７)×O．rufipogonGriff．(YuanjiangcommonwildriceHehuatang３)asmaterials,aQTLforheattoleranceat
4、theheadingstageintheheatＧtolerantnearＧisogenicricelineYJ１０Ｇ０３Ｇ０１wasanalyzed．Atotalof３６０simplesequencerepeat(SSR)markersevenlydistributedacross１２chromosomeswereusedtodetectpolymorphismsbetweenYJ１０Ｇ０３Ｇ０１andindicarestorerShuhui５２７,andninewerepolymorphic．Singlemarkeranalysisrevealedthatmarkersonchr
5、omosome５wereassociatedwithheattoleranceattheheadingstageusingseedsettingpercentageasindexforheattolerance．ByintervalmappingusingF２population(１,０２７plants)fromYJ１０Ｇ０３Ｇ０１×Shuhui５２７,aQTLforheattolerancewasdetectedontheshortarmofchromosome５．TheQTLexplained８．６％and１９．４％ofphenotypicvariancesintheF２andF
6、３generationsunderheatstress(artificialclimatechamber),respectively．Recombinantplantswerescreenedfortwoflankingmarkers,RM７３２０andRM７４４４,inF３generation,andsubstitutionmappingsuggestedthattheQTLwaslocatedinanintervalofabout３０４．２kbbetweenmarkersRM５９２andRM１７９２１,wedesignatedtheQTLasqHTH５(quantitativet
7、raitlocusforheattoleranceattheheadingstageonchromosome５)．Keywords:rice(OryzasativaL．);heattolerance;QTL;genemapping曹志斌,謝紅衛(wèi),聶元元,等．水稻抽穗揚花期耐熱QTL(qHTH５)定位及其遺傳效應分析．中國水稻科學,２０１５,２９(２):１１９Ｇ１２５．摘要:對元江普通野生稻(OryzarufipogonGriff．)(簡稱元江普野)荷花塘３
