201234140-43http//xuebao.jxau.edu.cnActaAgriculturaeUniversitatisJiangxiensisE-mailndxb7775@sina.com7*350002LCpro+7-。7“”3.99~12.45μmol/m2·s699.37~855.00μmol/m2·s0.0342~0.0433μmol/m2·s。。Q945.11Q949.746.1A1000-2286201201-0040-04ThePhotosyntheticCharacteristicsofSevenVarietiesofNelumbonuciferaGaertn.LIUYing-jiaCHENGXi-meiRONGJun-dongCHENRui-fangXUEYi-minZHENGYu-shan*InstituteofIndustrialForestFujianAgricultureandForestryUniversityFuzhou350002ChinaAbstractAnexperimentwasconductedtostudythephotosyntheticcharacteristicsofsevenvarietiesofNelumbonuciferaGaertn.byLCpro+photosynthesissystem.TheresultsshowedthatthesevenvarietiesofNe-lumbonuciferaGaertn.didnotexhibitedamiddaydepression.Theminimumvalueoflightcompensationpointswas3.99μmol/m2·sthemaximumvalueoflightcompensationpointswas12.45μmol/m2·s.Theminimumvalueoflightsaturationpointswas699.37μmol/m2·sthemaximumvalueoflightsatura-tionpointswas855.00μmol/m2·s.Theminimumvalueofapparentquantumefficiencieswas0.0342μmol/m2·sthemaximumvalueofapparentquantumefficiencieswas0.0433μmol/m2·s.Differentvarie-tiesofNelumbonuciferaGaertnhadafewdifferencesintheirphotosyntheticcharacteristics.KeywordsNelumbonuciferaGaertn.photosyntheticcharacteristicsphotosyntheticdiurnalvariationLightresponseNelumbonuciferaGaertn.。、。1。、、2-3。CO2O2。4。5-6、2011-04-012011-11-012009BAI73B01、2004YZ02-05GAP2008Y20011984—E-mailliu375783024@126.com*E-mailzys1960@163.com。177-8、9-10、、11、12。7。7。11.17。20104。7、、17、1、1、、1-7。。LCpro+。1.21.2.120107—8。0800—18002h131。A0.55。A、E、GsCO2CiQleaf、Tl、eref、CO2cref、Tch。1.2.220107—8。1000μmol/m2·s20~30min。CO2360μmol/mol。1500、1200、1000、800、500、300、200、100、80、50、20、10、0μmol/m2·s。。A0.55。A=a1c0·e-b·PAR/a13。c00ab。LCP0LSP99%LCP=a·lnc0/b。LSP=a·ln100·c0/b。22.172.1.1、CO2、、。0800—18001。、、1200CO208001200。1Tab.1ChangesinenvironmentalfactorsofthedeterminationdayTime/μmol·m-2·s-1LightintensityCO2/%TheaircontentofCO2/%Airhumidity/℃Temperature0800146.060.03855729.2232.391000385.170.03619130.5536.361200390.830.03526330.9838.271400160.060.03534629.9236.93160027.490.03629929.0934.2318001.940.03804224.7927.31·14·341Fig.1PhotosyntheticparametersofNelumbonuciferaGaertn.ondiurnalvariation2.1.2、CO2、、。171-3612004、571000“”。12007180000。612007.746μmol/m2·s。4CO2。CO2。2.1.3。17“”2、3、56120047100011400。471200。612002.840μmol/m2·s。2.1.4、、。17。12、3612004、571000。。1。1。2.1.5CO217CO2。。CO2CO2。18000CO2CO2CO2·24·17。CO2CO2CO2。CO2。2.20~1500μmol/m2·s-A=a1-c0·e-b·PAR/a7、2。73.99~12.45μmol/m2·s9.57μmol/m2·s699.37~855.00μmol/m2·s753.67μmol/m2·s0.0342~-0.04330.0375。162636。7。27、Tab.2LCP、LSPandAQYofsevenvarietiesofNelumbonuciferaGaertn.No.ofvariety/μmol·m-2·s-1Lightcompensationpoint/μmol·m-2·s-1Lightsaturationpoint/μmol·m-2·s-1Apparentquantumefficiency13.99702.160.038629.58699.370.0374312.05749.950.034246.44732.080.0350510.14760.520.0367612.45855.000.0433712.34776.580.03733“”。。-。14。15-16。7。14。0.03~0.05。7。1.J.200915221-222.2.J.200829466-70.58·34·34J.BiotechnolLetters20052723/241897-1900.21FranklinDC.Synchronyandasynchronyobservationandhypothesesforthefloweringwaveinalong-livedsemelparousbambooJ.JBiogeogr2004315773-786.22McsteenP.HormonalregulationofbranchingingrassesJ.PlantPhysiology2009149146-55.23LiangYHarrisJM.RespondofrootbranchingtobracisicacidiscorrelatedwithnoduleformationbothinlegumesandnonlegumesJ.AmJBot2005921675-1683.24.J.2009846.25.J.20042426-27.26.J.20044393-397.27.J.2001201櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗櫗77-80.433.J.2009464-65.4.M.200456-57.5.J.20081212-15.6.J.20051212.7.J.200953203-206.8WuJinzhongZhengYuanbinChenTiqiangetal.EvaluationofthequalityoflotusseedofNelumbonuciferaGaertn.fromouterspacemutationJ.FoodChemistry2007105540-547.9YenGowchinDuhPinderSuHuiju.AntioxidantpropertiesoflotusseedanditseffectonDNAdamageinhumanlympho-cytesJ.FoodChemistry200589379-385.10.J.1999371105-116.11.“17”J.200719243-45..12.RAPDJ.200661138-143.13.J.20098113-116.14.25J.200628488-95.15.J.1999212-15.16.M.1986180-196.·85·