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1、中国水稻科学(ChinJRiceSci),２０１５,２９(４):３７３Ｇ３８１http://www．ricesci．cnDOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１５．０４．００６３７３杂交粳稻亲本米质性状配合力的分子标记区段检测刘洋刘二宝曾思远普伟刘强明梁利君刘佩睿张琪梦洪德林∗(南京农业大学作物遗传与种质创新国家重点实验室,南京２１００９５;∗通讯联系人,EＧmail:delinhong＠njau．edu．cn)IdentificationofMolecularMarkerFragmentsAss
2、ociatedwithCombiningAbilityforQualityTraitsinParentsofHybridjaponicaRice(OryzasativaL．)LIUYang,LIUErＧbao,ZENGSiＧyuan,PUWei,LIUQiangＧming,LIANGLiＧjun,LIUPeiＧrui,ZHANGQiＧmeng,HONGDeＧlin∗(StateKeyLaboratoryofCropGeneticsandGermplasmEnhancement,NanjingAgriculturalUni
3、versity,Nanjing２１００９５,China;∗Correspondingauthor,EＧmail:delinhong＠njaue．duc．n)LIUYang,LIUErbao,ZENGSiyuan,etal．Identificationofmolecularmarkerfragmentsassociatedwithcombiningabilityforqualitytraitsinparentsofhybridjaponicarice(OryzasativaL．)．ChinJRiceSci,２０１５,２９(
4、４):３７３Ｇ３８１．Abstract:Inordertoimprovericequalitycombiningabilityofparentallinesmoreefficientlyinhybridjaponicarice(OryzasativaL．),SSRmolecularmarkerfragmentgenotypesofelitecombiningabilityforeightqualitytraitswereidentifiedbyanalyzingthedataofcombiningabilityandSS
5、Rmarkersinelevencytoplasmicmalesterile(CMS)linesandninerestorerlines．Theeightqualitytraitsinvestigatedwerebrownricerate(BRR),milledricerate(MRR),headricerate(HRR),percentageofchalkygrain,chalkinessdegree,alkalispreadingvalue(ASV),gelconsistency,andamylosecontents
6、．The１１CMSlinesand９restorerlinesweregenotypedusing１５２pairsofSSRprimers．Combiningabilityanalysiswasconductedusingthedataof９９F１smadewithNCIIgeneticdesign(１１CMSlines×９restorerlines)．Atotalof４９SSRmolecularmarkerfragmentgenotypesinvolving２７molecularmarkerfragmentsweres
7、ignificantlyassociatedwithgeneralcombiningabilityofthe８qualitytraits．３１SSRmolecularmarkerfragmentgenotypeson１４chromosomearmswereassociatedwithelitecombiningabilityforqualitytraitsofparents;theremaining１８molecularmarkerfragmentgenotypeswereassociatedwithunfavorabl
8、ecombiningabilityofqualitytraitsofparents．Amongthe４９molecularmarkerfragmentgenotypes,twowerecoＧassociatedwithfourqualitytraitsofparents,andtwowereeachcoＧassoci
