29459.鹽及淹水對不同表型鹽地堿蓬抗鹽性的影響

1、山東師范大學碩士學位論文鹽及淹水對不同表型鹽地堿蓬抗鹽性的影響姓名：史功偉申請學位級別：碩士專業(yè)：植物學指導(dǎo)教師：范海宋杰20090428糠東師范大學碩士學位論文Effectsofsalinityandwaterloggingohsalt—toleranceofSuaedasalsaLfromanintertidalzoneandsalineinlandsoilAbstractTheeffectsofsalinityandwaterlo

2、ggingonseedlingemergenceandsalttoleranceofeuhalophyteSuaedasalsaLfromanintertidalzoneandsalineinlandsoilwereinvestigatedSeedlingsofSsalsafromtheintertidalzoneemergedmorerapidlythanthoseforthesecondpopulationunderbothwate

3、rloggedanddrainedconditionsWaterloggingandNaClhadnoadverseeffectonseedlingemergencein墨salsafromtheintertidalzone，butmarkedlyinhibitedthoseinSsalsafromsalineinlandSalinityhadnoadverseeffectonsurvivalseedlingpercentageinwa

4、terloggedtreatment，buthighsalinity(600mMNaCl)decreasedthoseindrainedtreatmentinSsalsafromtheintertidalzoneandtheoppositetrendpresentedinssalsafromsalineinlandShootdryweightofyoungseedlingsmarkedlydecreasedinhighsalivityf

5、orbothpopulationsunderbothwaterloggedanddrainedconditions，especiallyfor&salsafromsalineinlandInconclusion，thepopulationofSsalsaintheintertidalzoneismorewaterloggingtolerantthanthesalineinlandpopulationduringtheseedlingem

6、ergencestage。ssalsafromboththeintertidalzoneandsalineinlandCansurvivethecombinedstressesofsalinityandwaterloggingnebiomassesofbothpopulationswerelowerunderwaterloggedconditionscomparedtothoseindrainedtreatmentHighsalinit

7、ydecreasedthebiomassesofshootsandrootsofssalsafromboththeintertidalzoneandsalineinlandinbothdrainedandwaterloggedtreatments111ebiomassesofshootsandrootsofSsalsafromsalineinlandwerehigherthanthoseofSsalsafromtheintertidal

8、zone，buttheoppositetrendWasfoundfortheroot／shootratioinalltreatmentsWaterlogginghadnoeffectontheCI。concentrationinleavesofssalsafromsalineinlandTheC1concentrationinleavesofSsalsafromtheintertidalzonewaslowercomparedwitht

9、hatofSsalsafromsalineinlandinalltreatments，buttheoppositetrendWasfoundintherootsatasalinityconcentrationof600mMNaClWaterloggingdecreasedme心／Na十ratioinleavesof&salsafromsalineinlandwhiletheoppositetrendwasshownin&salsafro