|Table of Contents|

PhysiologicalCharacteristicsofDifferentIrisgermanicaCultivarstoHighTemperatureStressandEvaluationofTheirHeatTolerance

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年03
Page:
94-100
Research Field:
Publishing date:

Info

Title:
PhysiologicalCharacteristicsofDifferentIrisgermanicaCultivarstoHighTemperatureStressandEvaluationofTheirHeatTolerance
Author(s):
MAOJingDONGYanfangZHOUYuanTONGJunXUDongyunFANGLinchuan
(WuhanForestryandFruitTreeResearchInstitute,WuhanAcademyofAgriculturalSciences,Wuhan,Hubei430075)
Keywords:
Keywords:Irisgermanicaevaluationofheattolerancehightemperaturestressphysiologicalcharacteristic
PACS:
-
DOI:
10.11937/bfyy.20182416
Abstract:
Abstract:Thephysiologicalindexwasdetectedandanalyzedinordertoprovidereferencesforevaluatingandscreeningheat-tolerantcultivarsofIrisgermanica.Underhigh-temperaturestress,thephysiologicalindicesincludingthecontentsofchlorophyll,malondialdehyde,solubleproteinandproline,andactivitiesofantioxidantwasdetermined.Thentheheat-tolerancesof16cultivarswererankedbasedonprincipalcomponentsanalysisandsubordinatefunction.Theresultsshowedthatdifferentcultivarsshowedvariedlevelsofphysiologicalindices.Thephysiologicaldetectionshowedthatchlorophyllcontentswerereducedineachcultivar,andactivitiesofSODandPODwereincreased,whilethecontentsofMDA,prolineandsolubleproteinwerehigherafterthehightemperaturetreatment.CombinedwithPCAandsubordinatefunctionanalysis,heattoleranceof16cultivarswererankedas‘HDLQ’‘PartyDress’‘Galamadrid’‘YX’‘HQS’‘Ninbeiunge’‘Queen’‘Jessica’‘BXB’‘FGHS’‘JWW’‘DS’‘YWW’‘HL’‘Royal’‘DM’.TheestablishedevaluationmethodbasedonPCAandsubordinatefunctionwasfeasibleforevaluatingandselectingheat-tolerantcultivarsofIrisgermanica.

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Last Update: 2019-03-15