抽穗期施氮肥对延缓小麦旗叶衰老机理初探
2007,21(3):291—294 JournalofNuclearAgriculturalSciences :1000.8551(2007)03.291.04 ( , 210095) 291 : , Rubisco , . , ,Rubisco N , 953 ,Rubisco N 0.998 0.651 1.432 0.470, 5 ,Rubisco N 0.896 0.485 1.243 0.511, Rubisco , , Rubisco ; , ,Rubisco N , ,Rubisco N , , Rubisco ; , . : ; ;Rubisco www.taodocs.com 2007,21(3):291—294 JournalofNuclearAgriculturalSciences :1000.8551(2007)03.291.04 ( , 210095) 291 : , Rubisco , . , ,Rubisco N , 953 ,Rubisco N 0.998 0.651 1.432 0.470, 5 ,Rubisco N 0.896 0.485 1.243 0.511, Rubisco , , Rubisco ; , ,Rubisco N , ,Rubisco N , , Rubisco ; , . : ; ;Rubisco www.taodocs.com
AI.RELD[NARYD,】STIGAnoNoNSENESCENCEMCI?iISMoFFLAY LEAFBYNITRoGENFERT?IZERINEARINGPERIoD GAOLingZHANGRong?xian (DepartmentofAgronomy,NanjingAgriculturalUniversity,Nanjing,Jiangsu210095) Abstract:Applyingnitrogenfertilizerinearingperiodcouldenhancenetphotosyntheticrate,contentoftotalnitrogen,content ofRubisco.whilecoulddeclinetheproteasesactivity.Duringtherelativeactivephotosyntheticduration(RAPD)ofwheatflag leaf.'NabundanceoftotalnitrogenandRubiscowereatthehighleve1.NabundanceoftotalnitrogenofLaizhou953 decreasedfrom0.998to0.651.whileNabundanceofRubiscowasfrom1.432to0.470;Nabundanceoftotalnitrogenof YangmaiNo5wasfrom0.896to0.485while"NabundanceofRubiSCOisfrom1.243to0.511.DuringtheRapid PhotosyntheticDuration(RPD)ofwheatflagleaf,theywereatalowerlevel("NabundanceoftotalnitrogenandRubiscowere nearthecontrolsampleleve1),andhalittlechanges.AUtheseindicatedthattherewerealargenumberRubiscore? synthestizedduringRAPD.buttherewas1ittleRubiscore.synthesizedduringRPD.ThesealSOillustratedthatwheathad higherabilityonabsorbingandutilizingnitrogenduringlaterstageofwheatgrowth. Keywords:wheatflagleaf;nitrogenfertilizer;Rubisco , , , . , , www.taodocs.com AI.RELD[NARYD,】STIGAnoNoNSENESCENCEMCI?iISMoFFLAY LEAFBYNITRoGENFERT?IZERINEARINGPERIoD GAOLingZHANGRong?xian (DepartmentofAgronomy,NanjingAgriculturalUniversity,Nanjing,Jiangsu210095) Abstract:Applyingnitrogenfertilizerinearingperiodcouldenhancenetphotosyntheticrate,contentoftotalnitrogen,content ofRubisco.whilecoulddeclinetheproteasesactivity.Duringtherelativeactivephotosyntheticduration(RAPD)ofwheatflag leaf.'NabundanceoftotalnitrogenandRubiscowereatthehighleve1.NabundanceoftotalnitrogenofLaizhou953 decreasedfrom0.998to0.651.whileNabundanceofRubiscowasfrom1.432to0.470;Nabundanceoftotalnitrogenof YangmaiNo5wasfrom0.896to0.485while"NabundanceofRubiSCOisfrom1.243to0.511.DuringtheRapid PhotosyntheticDuration(RPD)ofwheatflagleaf,theywereatalowerlevel("NabundanceoftotalnitrogenandRubiscowere nearthecontrolsampleleve1),andhalittlechanges.AUtheseindicatedthattherewerealargenumberRubiscore? synthestizedduringRAPD.buttherewas1ittleRubiscore.synthesizedduringRPD.ThesealSOillustratedthatwheathad higherabilityonabsorbingandutilizingnitrogenduringlaterstageofwheatgrowth. Keywords:wheatflagleaf;nitrogenfertilizer;Rubisco , , , . , , www.taodocs.com
,RNA . , , , ..., , , . , , , .Rubisco(EC.4.1.39) c . ,Rubisco 50% .Rubisco , RuBPCase , , RuBPCase . :2006.11-07 : (G1998010100) : (1967-), , , , ,E-mail:gaoling. 292 2l , 90% ?], , , . , , , , . . 1 1.1 www.taodocs.com ,RNA . , , , ..., , , . , , , .Rubisco(EC.4.1.39) c . ,Rubisco 50% .Rubisco , RuBPCase , , RuBPCase . :2006.11-07 : (G1998010100) : (1967-), , , , ,E-mail:gaoling. 292 2l , 90% ?], , , . , , , , . . 1 1.1 www.taodocs.com
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