%0 Journal Article
%T Biochemical and Physiological Responses of Pterocarya stenoptera and Taxodium ascendens Saplings to Different Configuration Modes and Water Regimes
%A WANGChao-ying
%A LIChang-xiao
%A WANGZhen-xia
%A WEIHong
%A GENGYang-hui
%A JIANGXuan-bin
%J 重庆师范大学学报(自然科学版)
%P 142-150
%D 2012
%R 10.11721/cqnuj20120326
%X ThreedifferentkindsofwatertreatmentandtwoconfigurationmodeswereappliedtoexaminethebiochemicalandphysiologicalresponsesofP.stenopteraandT.ascendenssaplingsundersimulatedvegetationoftheHydro-fluctuationBeltoftheThreeGorgesReservoirRegion.Thewatertreatmentswerenormalgrowthwatercondition(CK),lightdroughtwaterstress(LD)andwatersubmersion(SM).Thefirstconfigurationmodewas3P.stenopteraand6T.ascendens,andthesecondwasareverseofthenumberofsaplingsofbothspecies.Theresultsshowedthatdifferentconfigurationmodescouldnotsignificantlyinfluencethephotosyntheticpigment,SOD,POD,CAT,ASP,O2？―,prolineandsolubleproteinofthetwospecies.Incontrast,differentwatertreatmentandtimehadsignificantinfluencesonSOD,POD,CAT,ASP,O2？―andsolubleproteinofthetwospecies.Theinteractionofconfigurationmodesxwatertreatment,configurationmodesxtime,configurationmodesxwatertreatmentxtimehadnosignificantinfluenceonphotosyntheticpigment,SOD,POD,CAT,ASP,O2？―andsolubleproteinofthetwospecies.However,theinteractionofwatertreatmentxtimehadsignificantinfluencesonSOD,POD,ASPandO2？―ofP.stenoptera,aswellasonSOD,CAT,ASPandprolinecontentofT.ascendens.Ourstudyshowedthatbothspecieshadtosomeextentdifferentbiochemicalandphysiologicalresponsestowaterstress,andwererelativelywell-adaptedtothedynamichydrologicalenvironmentinthehydro-fluctuationbeltoftheThreeGorgesReservoirRegion.
%K ThreeGorgesReservoirRegion
%K configurationmode
%K watertress
%K physiologicalresponse
%K Pterocaryastenoptera
%K Taxodiumascendens
%U http://cqnuj.cqnu.edu.cn/oa/DArticle.aspx?type=view&id=120326