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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