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1、中国水稻科学(ChinJRiceSci),２０１６,３０(３):２８３－２９０http://www．ricesci．cnDOI:１０．１６８１９/j．１００１Ｇ７２１６．２０１６．５１７４２８３中日水稻品种杂交后代的株型性状与产量和品质的关系徐海宫彦龙夏原野杜志敏闫志强王华杰陈温福徐正进∗(沈阳农业大学水稻研究所/农业部东北水稻生物学与遗传育种重点实验室/北方超级粳稻育种教育部重点实验室/辽宁省北方粳稻遗传育种重点实验室,沈阳１１０８６６;∗通讯联系人,EＧmail:xuzhengjin＠１２６．com)RelationofPlantTyp
2、eTraitswithYieldandQualityintheRILPopulationDerivedfromCrossBetweenChineseRiceVarietyandJapaneseRiceVarietyXUHai,GONGYanＧlong,XIAYuanＧye,DUZhiＧmin,YANZhiＧqiang,WANGHuaＧjie,CHENWenＧfu,XUZhengＧjin∗(InstituteofRiceResearch,ShenyangAgriculturalUniversity/KeyLaboratoryofNorthea
3、stRiceBiologyandBreeding,MinistryofAgriculture/KeyLaboratoryofNorthernJaponicaSuperRiceBreeding,MinistryofEducation/KeyLaboratoryofNorthernJaponicaGeneticsandBreedingofLiaoningProvince,Shenyang１１０８６６,China;∗Correspondingauthor,EＧmail:xuzhengjin＠１２６c．om)XUHai,GONGYanlong,XI
4、AYuanye,etal．RelationofplanttypetraitswithyieldandqualityintheRILpopulationderivedfromcrossbetweenChinesericevarietyandjapanesericevariety．ChinJRiceSci,２０１６,３０(３):２８３Ｇ２９０．Abstract:TheF９recombinantinbreedlinespopulation(RILpopulation)derivedfromthecrossbetweenLiaojing５,them
5、ostrepresentativericevarietywitherectpanicletypeinthenortheastofChina,andAkitaKomachi,thefamousricevarietieswithcurvedpanicletypeandgoodqualityinJapan,wereconstructedthroughsingleseeddescentmethodtostudythevariationofplanttypetraitsandtheirrelationwithriceyieldandqualityin
6、thehybridprogeniesofcrossbetweentypicalChinesericevarietyandJapanesericevariety．TheresultsshowedthatsegregationandrecombinationoccurredinplantＧtype,yieldandqualitytraitsintheRILpopulation．Plantheight,thelengthoftopthirdandfourthinternodesandtheleafangleandyieldweresignific
7、antlypositivelycorrelated．Thehighertheplantheight,thegreaterthedegreeofcurveofthepanicle,andthenarrowerthethreetopleaves,thebetterprocessingqualityandappearancequality．Thecorrelationbetweentastevalueandthevastmajorityofplanttypetraitswasnotsignificant,andonlythewidthoftopt
8、hirdleaf,thenumberofsecondaryrachisbranchesandgraindensitywerenegativelysignificantlycorr
