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1、中国水稻科学(ChinJRiceSci),２０１５,２９(１):１－１３http://www．ricesci．cnDOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１５．０１．００１１利用选择导入系进行水稻耐低磷鉴定与QTL定位分析任洁１,２,＃赵秀琴２,＃丁在松２项超２张晶１,２王超１,２张俊巍１,２CharlesAugustinoJ２２２２,∗１,∗OSEPH张强庞昀龙高用明石英尧(１安徽农业大学农学院,合肥２３００３６;２中国农业科学院作物科学研究所,北京１０００８１;＃共同第一作者;∗通讯联系人,EＧmail:irriygao＠１２６．com;sh
2、iyy１２３＠１６３．com)DissectionandQTLMappingofLowＧphosphorusToleranceUsingSelectedIntrogressionLinesinRiceRENJie１,２,＃,ZHAOXiuＧqin２,＃,DINGZaiＧsong２,XIANGChao２,ZHANGJing１,２,WANGChao１,２,ZHANGJunＧwei１,２,CharlesAugustinoJOSEPH２,ZHANGQiang２,PANGYunＧlong２,GAOYongＧming２,∗,SHIYingＧyao１,∗(１AnhuiAgricul
3、turalUniversity,Hefei２３００３６,China;２InstituteofCropScience,ChineseAcademyofAgriculturalSciences,Beijing１０００８１,China;＃Theseauthorscontributedequallytothispaper;∗Correspondingauthor,EＧmail:irriygao＠１２６．com;shiyy１２３＠１６３c．om)RENJie,ZHAOXiuqin,DINGZaisong,etal．DissectionandQTLmappingoflowＧpho
4、sphorustoleranceusingselectedintrogressionlinesinrice．ChinJRiceSci,２０１５,２９(１):１Ｇ１３．Abstract:TwoBC２F４backcrossingpopulationsweregeneratedbyusingthetwowidelyusedeliteindicarestorersinChina,Shuhui５２７andMinghui８６asrecurrentparents,theindicavarietyYetuozaiasdonor．Thegrainyieldanditsrelatedtr
5、aitswereevaluatedundernormalfertilizerapplicationlevelinnormalsoil(ascontrol)andinpoorsoil,lowphosphorusstressconditionsinpoorsoilinLangfang,HebeiProvince．Meanwhile,theintrogressedlines(ILs)oftwopopulationswereinvestigatedatseedlingstageusingnutrientsolutionintheglasshouseinBeijing．Atot
6、alof４９mainＧeffectQTLsunderlyingyieldrelatedtraitswereidentified,thecontributionofphenotypicvariationsrangedfrom６．７％to１６．５％．Ofwhich,２５(５１．０％)QTLshadfavorableallelesfromdonorparent．Atotalof４８mainＧeffectQTLswereidentifiedforyieldrelatedtraits,thecontributionofphenotypicvariationsrangedfrom
7、７?７％to１６．６％．Ofwhich,２１(４３．８％)QTLshadfavorableallelesfromdonorparent．About７９．６％oftheQTLscanbedetectedrepeatedlyundertwoormoretreatments,especiallythoseQTLsassociatedwithgrainnumberperpanicle,spikeletfertilityandthousandgrainweightwhichdisplayedconsistentphenotypiceffects．Amongal
