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《evaluation of genetic diversity among jordanian fig germplasm accessions by》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在工程資料-天天文庫(kù)。
1、ScientiaHorticulturae147(2012)8–19ContentslistsavailableatSciVerseScienceDirectScientiaHorticulturaejournalhomepage:www.elsevier.com/locate/scihortiEvaluationofgeneticdiversityamongJordanian?ggermplasmaccessionsbymorphologicaltraitsandISSRmarkersDua’aa,bb,?a,cAlmajali,A
2、delH.Abdel-Ghani,HusseinMigdadiaNationalCenterforAgriculturalResearchandExtension,Al-Baq‘a(chǎn),Amman,JordanbMutahUniversity,FacultyofAgriculture,DepartmentofPlantProduction,P.O.Box7,Al-Karak,JordancCollegeofFoodandAgriculturalSciences,KingSaudUniversity,Riyadh,SaudiArabiaar
3、ticleinfoabstractArticlehistory:ThisstudydescribesphenotypicvariationinleafandfruittraitsandinvestigatesgeneticrelationshipsReceived16July2012among24landrace(FicuscaricaL.sativa)and6wildform(F.caricaL.capri?cus)accessionsof?gusinginterReceivedinrevisedform23August2012si
4、mplesequencesrepeat(ISSR)markers.Forphenotypictraits,pair-wiseEuclideandistancesrangedfromAccepted24August20120.90to9.80.Principalcomponentanalysisrevealedthatthe?rst?vecomponentsexplained74.14%ofthetotalKeywords:morphologicalvariation,wherefruittraitscontributedmostoft
5、hetotalvariation.Nei’sgeneticdis-tancebasedonISSRdatarangedfrom0.00to0.83,suggestingthatthecollectedaccessionsaregeneticallyGeneticdiversitydiverse.diversityUPGMAclusteringbasedonphenotypictraitscomparedwiththatbasedonISSRdatawerenotPhenotypicconsistent,however,somecomm
6、ongroupingswereobservedinISSRandphenotypictraits.Inmostcases,ISSRaccessionsFigcollectedfromthesamelandraceorfrom?gwildformstendedtoclustertogether,con?rmingthatnamesgivenbyfarmerstothecollectedlandraceaccessionsareconsistentandcon?rmingalsothecommongeneticbackgroundofwi
7、ld?gaccessions.HighphenotypicandISSRvariabilityindicatethat?gcollectionsusedinthisstudyincluderichandvaluablegenesfor?gbreeding.ISSRscreeningrevealedthepresenceofthesameISSRallelicpro?leforaccessionsfromthesamelandraceorwildformaccessions,indicatingthatISSRcanprovidethe
8、basicinformationnecessarytohelpgenebankstoconservematerialsfromdifferentgeneticbackgroundratherthanduplicatesf
