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1、中國(guó)水稻科學(xué)(ChinJRiceSci),２０１６,３０(２):１７０－１８０http://www．ricesci．cn１７０DOI:１０．１６８１９/j．１００１Ｇ７２１６．２０１６．５１３５甬優(yōu)系列秈粳雜交稻中熟高產(chǎn)品系的株型特征孟天瑤１李曉蕓１李超１韋還和１史天宇１馬榮榮２王曉燕３楊筠文４戴其根１,?張洪程１,?(１揚(yáng)州大學(xué)農(nóng)業(yè)部長(zhǎng)江流域稻作技術(shù)創(chuàng)新中心/江蘇省作物遺傳生理重點(diǎn)實(shí)驗(yàn)室,江蘇揚(yáng)州２２５００９;２浙江省寧波市農(nóng)業(yè)科學(xué)院作物研究所,浙江寧波３１５１０１;３浙江省寧波市種子公司,浙江寧波３１５１０１;４浙江省寧波市鄞州區(qū)農(nóng)業(yè)技術(shù)服務(wù)站,浙江寧
2、波３１５１００;?通訊聯(lián)系人,EＧmail:qgdai＠yzu．edu．cn,hczhang＠yzu．edu．cn)PlantＧtypeCharacteristicsofHighＧYieldingLinesofYongyoujaponica/indicaHybridRicewithMediumMaturityMENGTianＧyao１,LIXiaoＧyun１,LIChao１,WEIHuanＧhe１,SHITianＧyu１,MARongＧrong２,WANGXiaoＧyan３,YANGJunＧwen４,DAIQiＧgen１,?,ZHANGHongＧcheng
3、１,?(１InnovationCenterofRiceCultivationTechnologyinYangtzeRiverValley,MinistryofAgriculture/KeyLaboratoryofCropGeＧneticsandPhysiologyofJiangsuProvince,YangzhouUniversity,Yangzhou２２５００９,China;２CropResearchInstitute,NingboAＧcademyofAgriculturalSciencesofZhejiangProvince,Ningbo３１５１０１,
4、China;３NingboSeedCompanyofZhejiangProvince,Ningbo３１５１０１,China;４YinzhouDistrictAgriculturalTechnologyServiceStation,Ningbo３１５１００,China;?CorrespondingauＧthor,EＧmail:qgdai＠yzue．duc．n,hczhang＠yzue．duc．n)MENGTianyao,LIXiaoyun,LIChao,etal．PlantＧtypecharacteristicsofhighＧyieldinglinesofY
5、ongyoujaponica/inＧdicahybridricewithmediumＧmaturity．ChinJRiceSci,２０１６,３０(２):１７０Ｇ１８０．Abstract:AfieldexperimentwasconductedusingYongyoujaponica/indicahybridswithmediummaturityasmateriＧal,conventionaljaponicarice(CJR)Ningjing３andWuyunjing２９,hybridindicarice(HIR)Fengliangyouxiang１andX
6、inliangyou６３８０asthecheck．Differencesinpanicle,leaf,andculmtraitsofvariousricetypeswerecompared．Theresultswerefollows:１)Yongyoujaponica/indicahybridsweredividedintotwotypes:highＧyieldinglines(HYL,over２)andmediumＧyieldinglines(MYL,lessthan１０．５t/hm２)basedonyieldperformance．HYLinclude
7、sYongyＧ１０．５t/hmou２６３８,Yongyou２６４０,Yongyou１６１０,Yongyou１６１２,andYongyou１６４０,whileMYLincludesYongyou１８５１,Yongyou１８５２,Yongyou１７６３,Yongyou７７５３,andYongyou５８５４．CJRhadthehighestnumberofpanicles,seedＧsetＧtingrate,and１０００Ｇgrainweight,whileHYLhadthehighestspikeletnumberperpanicle．２)HIRhadthel
8、ongestpanＧiclelength,whileHYLhadt
