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1、中国水稻科学(ChinJRiceSci),2016,30(3):273-282http://www.ricesci.cnDOI:10.16819/j.1001G7216.2016.5128273氮肥对水稻节间和叶鞘非结构性碳水化合物积累转运特征的影响潘俊峰1,3,#王博3,#崔克辉2,3,∗黄见良2,3聂立孝2,3(1广东省农业科学院水稻研究所,广州510640;2主要粮食作物产业化湖北省协同创新中心,湖北荆州434025;3作物遗传改良国家重点实验室/农业部长江中游作物生理生态与耕作重点实验室/
2、华中农业大学植物科技学院,武汉430070;#共同第一作者;∗通讯联系人,EGmail:cuikehui@mail.hzau.edu.cn)EffectsofNitrogenApplicationonAccumulationandTranslocationofNonGstructuralCarbohydratesinInternodesandSheathsofRicePANJunGfeng1,3,#,WANGBo3,#,CUIKeGhui2,3,∗,HUANGJianGliang2,3,NIELi
3、Gxiao2,3(1RiceResearchInstitute,GuangdongAcademyofAgriculturalSciences,Guangzhou510640,China;2HubeiCollaborativeInnoGvationcenterforGrainIndustry,Jingzhou434025,China;3NationalKeyLaboratoryofCropGeneticImprovement/MOAKeyLaGboratoryofHuazhongCropPhysio
4、logy,EcologyandProduction/CollegeofPlantScienceandTechnology,HuazhongAgriculturalUniversity,Wuhan430070,China;#Theseauthorscontributedequallytothiswork;∗Correspondingauthor,EGmail:cuikehui@mail.hzaue.duc.n)PANJunfeng,WANGBo,CUIKehui,etal.Effectsofnitr
5、ogenapplicationonaccumulationandtranslocationofnonGstructuralcarbohydratesininternodesandsheathsofrice.ChinJRiceSci,2016,30(3):273G282.Abstract:Twoindicaricevarieties,Liangyoupeijiu(LYP9)andYangdao6(YD6),weregrowninpotsunderlow(N)andhigh(N)nitrogenapp
6、licationrates.TheaccumulationandtranslocationofnonGstructuralcarbohydrates12(NSC)inthetopGmostthreeinternodesandleafsheathsofmainstemsanditscontributionstograinyieldwereinvestiGgated.1)ComparedwithN2treatment,N1treatmentenhancedNSCtranslocationofthese
7、condandthirdinternodesandsheathsinLYP9duringtheearlygrainfillingstage,andalsoincreasedtheapparenttransferredmassofNSC(ATM)ofthethreeinternodesfromthetopandsheathsinYD6andthethirdinternodefromthetopandsheathinNSCLYP9,respectively.However,N1treatmenthad
8、noobviouseffectonATMNSCofthetopfirstandsecondinternodesandsheathsinLYP9.Noticeably,N1treatmentincreasedtheapparentcontributionsofNSCtograinyield(ACNSC)ofthethreeinternodesandsheathsinbothtwovarieties.2)ExceptthetopGmostthirdsheathinLYP9,theATM