四個品種（系）西瓜光合生理和逆境生理特性的研究.pdf

1、石河子大學(xué)碩士學(xué)位論文四個品種（系）西瓜光合生理和逆境生理特性的研究姓名：姜紅申請學(xué)位級別：碩士專業(yè)：植物學(xué)指導(dǎo)教師：田麗萍陳遠(yuǎn)良20070601AbstractTheexperimentbasedontwopartsoffieldexperimentandgreenhouseexperimentStudiesonthephotosyntheticcharacteristics，salttoleranceanddroughttolera

2、ncecharacteristicsoftwodiploidspeciesandtwotriploidspeciesofwatermelonsWehoDethatitcanprovidesometheoreticgistsandtechniquemeasuresFromtheexperiment，wecansummarizetheseconclusionTherearedifferenttypesofdiumalvariationsof

3、PnondifferentperiodofwatermelonsOngrowthperiod，thediurnalvariationsofPnpresenttypicaldoublepeakcurveandthereareobvious“siesta’phenomenonsOnfructificationperiod，thediurnalvariationsofPnpresentsinglepealccurveexceptH61TheP

4、noftwotriploidspeciesarehigherthantwodiploidspeciesofwatermelonTheLCPandLSPofleavesoffourspecieswatermelonsarehigheritpresenttheirdependenceonlightInmiddayPSIIresponsecenterdidn’tmakeuseofsuperfluouslightenergyandfallund

5、ertightrestrainAftersaltanddroughttreatmenttowatermelonseedlings，theirMDAcontentandPODaetivityhoist，SODactivityfall，andPROhoistearlierandfalllaterBasedonsynthesizingvarietyofstresstoleranceindexes，wecanmakeaconclusiontha

6、tsalttoleranceanddroughttoleranceoftwotriploidspeciesofwatermelonsatestrongerOnseedlingperiod，thegrowthoftriploidspeciesarebetterthanthediploidspeciesofwatermelonBatongrowthperiod，thetriploidspeciesshowedthebettergrowth，

7、andtheirnutritiongrowtharemorequicklythanhediploidspecies；leavesareaofthetriploidspeciesarebiggerthanthediploidspeciesspeciesThechangeofchlorophyllcontentaredifferwiththechangeofPnBasedonPhotosyntheticphysiologicalcharac

8、teristic，stressphysiologicalcharacteristic，yieldandqualityofwatermelonsThemostlyindexesof天園無籽一號werebeuerthanotherwatermelonspecies。then天園無籽二號，andtheyareexcellentspeciestoextendThestresstoleranceofH61wasworsethan安農(nóng)二號，butP

9、n，yield，Solublesolidcontent，VccontentofH61werehi曲erthan安農(nóng)二號，soitisaspeciesgoodforextendenceThemostlyindexesofH61wereworsethan天園無籽一號and天園無耔二號，butitsseedingandsurvivingratewerehigherthanthemOnprocessofselectionofwatermelon