7个荷花品种光合特性的研究刘颖嘉

201234140－43http//xuebao．jx[e-mail]7*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-mail]*[e-mail]。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·