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1、中国水稻科学(ChinJRiceSci),２０１４,２８(６):５７０－５８０http://www．ricesci．cn５７０DOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１４．０６．００２利用大粒籼/小粒粳重组自交系定位水稻生育期及产量相关性状QTL占小登于萍林泽川陈代波沈希宏张迎信付君林程式华∗曹立勇∗(中国水稻研究所国家水稻改良中心/浙江省超级稻研究重点实验室,杭州３１０００６;∗通讯联系人,EＧmail:shcheng＠mail．hz．zj．cn;caoliyong＠caas．cn)QTLMappingofH
2、eadingDateandYieldＧrelatedTraitsinRiceUsingaRecombinationInbredLines(RILs)PopulationDerivedfromBG１/XLJZHANXiaoＧdeng,YUPing,LINZeＧchuan,CHENDaiＧbo,SHENXiＧhong,ZHANGYingＧxin,FUJunＧlin,CHENGShiＧhua∗,CAOLiＧyong∗(NationalCenterforRiceImprovement/ZhejiangKeyLaboratoryofSuper
3、RiceResearch,ChinaNationalRiceResearchInstitute,Hangzhou３１０００６,China;∗Correspondingauthors,EＧmail:shcheng＠mail．hz．zjc．n;caoliyong＠caasc．n)ZHANXiaodeng,YUPing,LINZechuan,etal．QTLmappingofheadingdateandyieldＧrelatedtraitsinriceusingarecombinationinbredlines(RILs)populati
4、onderivedfromBG１/XLJ．ChinJRiceSci,２０１４,２８(６):５７０Ｇ５８０．Abstract:HeadingdateandyieldＧrelatedtraitsincludingplantheight(PH),numberoftillersperplant(NTP),paniclelength(PL),numberoffilledgrainsperpanicle(NFGP),grainnumberperpanicle(GNPP)andseedsettingrate(SR)areimportantagro
5、nomictraitsinrice．DetectionofnewQTLassociatedwithheadingdateandyieldＧrelatedtraitshavegreatsignificanceinnewgenesidentificationandutilizationofrice．Weusedarecombinationinbredlines(RILs)populationderivedfromBG１/XLJtodetectQTLassociatedwithheadingdateandyieldＧrelatedtrai
6、tsintwoenvironments,effectsofepistaticandinteractionwithenvironmentswerealsoanalyzed．Atotalof３２QTLassociatedwithheadingdateandyieldtraitsweredetectedonchromosomes２,３,４,５,６,７and８．Furthermore,fivepairsofQTLintervalshadsignificanttwoＧfactorepistaticeffects,and５QTLhadsigni
7、ficantinteractionwithenvironments．ManyyieldrelatedQTLdetectedwereidentifiedneartheintervalswhereyieldＧrelatedQTLweredetectedinpreviousresearches．Amongthem,theQTLwithlargeeffectscommonlyclustered．LowepistaticandinteractionwithenvironmentseffectsforyieldrelatedQTL,indica
8、tedsmallinteractiveeffectsbetweengenes,genesandenvironments．Keywords:rice;recombinationinbredlines;headingdate;panicl
