(回归分析)小麦叶面积及光合速率与产量关系的研究_王义芹

:2008-07-06:(30330390);/9730(2002CB111304);/8630(2006AA100102):(1979-),,,,:(1966-),,,,(1931-),,,,王义芹1,杨兴洪1,李滨2,童依平2,李振声2(11,,271018;21,,100101):(),:,;,,,:;;;:S51211:A:1000-7091(2008)-0010-06StudyontheRelationbetweenLeafArea,PhotosyntheticRateandYieldofWheatWANGY-iqin1,YANGXing-hong1,LIBin2,TONGY-iping2,LIZhen-sheng2(11CollegeofLifeScience,TheStateKeyLaboratoryofCropBiology,ShandongAgriculturalUniversity,Taian271018,China;21TheStateKeyLaboratoryofPlantCellandChromosomeEngineering,InstituteofGeneticsandDevelopmentalBiology,ChineseAcademyofSciences,Beijing100101,China)Abstract:Inordertoinvestigatetherelationshipsamongleavesatdifferentpositions,photosyntheticrateofflagleafandgrainyield,thirty-threewheatvarieties(lines)whichhavedifferencesamongleafcharacteristics,harvestindexandyieldwerestudiedasmaterials.Theresultsindicatedthatthecorrelationsbetweenthetop-threeleafareaandsingleplantbiomass,economicyieldweresignificantlypositive.However,therewerenosignificantcorrelationbetweentheareaofoth-erleaveslocatedonthebasepositionsingleplantbiomass,economicyield.Apositiveassociationwasfoundbetweenpho-tosyntheticrateofflagleavesandbiomass,economicyield,butcorrelationwasnotsignificant.However,theproductofphotosyntheticrateofflagleavesandleafareawassignificantlyandpositivelycorrelatedwithbiomassandeconomicyield.Inaddition,therewasasignificantlypositivecorrelationbetweenbiomassandeconomicyield.Keywords:Wheat;Leafarea;Photosyntheticrate;Yield,,90%~95%,[1-4],,,,50%[5][6],[7],[5-8],,(),,华北农学报#2008,23(增刊):10-15,,,1材料和方法1.1,33,,,:1212123(143-2)1(143-1)2(143-2)2(143-1)212312312381-54-181-54-281-54-39023-19023-2166-1166-254-154-28602-18602-2411-1411-22005-20065,5cm,25cm,2m@5m,1.2L-ICORL-I6400,(Pn)CO2360~390Lmol/(m2#s),400mL/min,(),,1200Lmol/(m2#s),60%~80%9:00-11:00,()6(6),1Fig.1Correlationsbetweenareaofleavesatdifferentpositionsandbiomass增刊王义芹等:小麦叶面积及光合速率与产量关系的研究111.3()10,(=@@0.7)1.4()10,:115SAS2结果与分析2.11-A,,(1-A,B,C),(1-D,E,F),(2-A)(2-B)2.23-A,B,C,,(3-D,E,F)2Fig.2Correlationsbetweenareaofthetop-mostthreeleaves,leafareaperplantandbiomassaboveground3Fig.3Correlationsbetweenareaofleavesatdifferentpositionsandgrainyield12华北农学报23卷(4-A)(4-B)2.3(5-A,C,E)(5-A,C,E)2.4,6-A,,,,(6-B)7,4Fig.4Correlationsbetweenthetop-threeleafarealeafareaperplantandgrainyieldperplant5(A,C,E)(B,D,F)Fig.5Correlationsbetweenleafareaperplantthetop-threeleafareaflagleafareaandearsperplant(A,C,E)andkernelsperplant(B,D,F)215=@,8,,,,增刊王义芹等:小麦叶面积及光合速率与产量关系的研究136Fig.6Correlationsbetweennetphotosyntheticrateofflagleave,theproductofPnandflagleafareaandbiomassaboveground7Fig.7CorrelationsbetweentheproductofPnandflagleafareaandgrainyield8Fig.8Correlationbetweenbiomassabovegroundandgrainyield3讨论(),,,,[9],,,/,[10]57,,,[11],1/4~1/3(),,,,,,();,,:¹,;º/0-,,,,,,[12,13],[14,15][16]14华北农学报23卷,,,[17-21][22],,,(R2=0161,p011),[23],,,,,,,,[24],,,,[25],,,()2Austin[26],0162,,,[27],[28](,),,:[1]WatsonDJ.Thephysiologicalbasisofvariationinyield[J].AdzAgro,1952,4:101-145.[2]DavidsonJI.Someeffectsofleafareacontrolontheyieldofwheat[J].AustralianJournalofAgriculturalResearch,1965,16(5):721-731.[3],,,.[J].,1994,22():22-55.[4]RIERA-IIZARAZUO,MUJEEB1-KAZIA.Maize(ZeamaysL.)mediatedwheat(TriticumaestivumL.)polyhaploidpro-ductionusingvariouscrossingmethods[J].CerealResCom-mun,1990,18:339-343.[5].[J].,1990(1):18-21.[6],.[J].,1995,21(2):204-209.[7],,.[J].,2004,24(7):1211-1215.[8],,.[J].,2004,24(4):39-42.[9],,.[J].,2000,17(2):116-119.[10],,,.[J].,2001,21(1):92-94.[11],,,.[J].,2006,26(2):0337-0342.[12]BlumA.Variationamongwheatcultivarsintheresponseofleafgasexchangetolight[J].JAgricSci,1990,115:305-311.[13]ReynoldsMP,BalotaM,DelgadoMIB,etal.Physiologicalandmorphologicaltraitsassociatedwithspringwheatyieldunderhot,irrigatedconditions[J].AustJPlantPhysiol,1994,21:717-730.[14]EvansLT.Cropevolution,adaptationandyield.Cambridge[M].CambridgeUniversityPress,1993.[15]MollRH,JacksonWA,MikkelsenRL.Recurrentselectionformaizegrainyield:drymatterandnitrogenaccumulationandpartitioningchanges[J].CropSci,1994,34:874-881.[16].,[J].,1999,34(8):8-10.[17]AustinRB.Geneticconstrainsonphotosynthesisandyieldinwheat[J].AdvancePhotosynthesisRes,1984(4):103-110.[18]StoyV.Photosynthesis,respiration,andcarbohydrateaccu-mulationinspringwheatinrelationtoyields[J].Physiolplant,1965,4:125.[19],,.[J].,1997,4:15-19.[20],,,.[J].,2008,23(1):158-162.[21],,,1[J]1,2008,23(3):209-212.[22]JiangGM,SunJZ,QuCM,etal.Changesintherateofphotosynthesisaccompanyingtheyieldinwheatcultivarsre-leasedinthepast50years[J].JPlantRes,2003,116:347-352.[23],,.[J].,2005,38(11):2182-2188.[24],.[J].,2001(2):5-7.[25],.[J].,1993,26(3):21-26.[26]AustinRB.Geneticimprovementsinwinterwheatyieldssince1900andassociatedphysiologicalcharges[J].JAgricSciCamb,1980,94(30):675-689.[27],.[J].,1984,17(3):14-22.[28],.[J].,1994,6:51-53.增刊王义芹等:小麦叶面积及光合速率与产量关系的研究15