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1、中国水稻科学(ChinJRiceSci),２０１６,３０(２):１７０－１８０http://www．ricesci．cn１７０DOI:１０．１６８１９/j．１００１Ｇ７２１６．２０１６．５１３５甬优系列籼粳杂交稻中熟高产品系的株型特征孟天瑶１李晓芸１李超１韦还和１史天宇１马荣荣２王晓燕３杨筠文４戴其根１,∗张洪程１,∗(１扬州大学农业部长江流域稻作技术创新中心/江苏省作物遗传生理重点实验室,江苏扬州２２５００９;２浙江省宁波市农业科学院作物研究所,浙江宁波３１５１０１;３浙江省宁波市种子公司,浙江宁波３１５１０１;４浙江省宁波市鄞州区农业技术服务站,浙江宁
2、波３１５１００;∗通讯联系人,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
