资源描述：
《evaluation of genetic diversity among jordanian fig germplasm accessions by》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、ScientiaHorticulturae147(2012)8–19ContentslistsavailableatSciVerseScienceDirectScientiaHorticulturaejournalhomepage:www.elsevier.com/locate/scihortiEvaluationofgeneticdiversityamongJordanianfiggermplasmaccessionsbymorphologicaltraitsandISSRmarkersDua’aa,bb,∗a,cAlmajali,A
2、delH.Abdel-Ghani,HusseinMigdadiaNationalCenterforAgriculturalResearchandExtension,Al-Baq‘a,Amman,JordanbMutahUniversity,FacultyofAgriculture,DepartmentofPlantProduction,P.O.Box7,Al-Karak,JordancCollegeofFoodandAgriculturalSciences,KingSaudUniversity,Riyadh,SaudiArabiaar
3、ticleinfoabstractArticlehistory:ThisstudydescribesphenotypicvariationinleafandfruittraitsandinvestigatesgeneticrelationshipsReceived16July2012among24landrace(FicuscaricaL.sativa)and6wildform(F.caricaL.caprificus)accessionsoffigusinginterReceivedinrevisedform23August2012si
4、mplesequencesrepeat(ISSR)markers.Forphenotypictraits,pair-wiseEuclideandistancesrangedfromAccepted24August20120.90to9.80.Principalcomponentanalysisrevealedthatthefirstfivecomponentsexplained74.14%ofthetotalKeywords:morphologicalvariation,wherefruittraitscontributedmostoft
5、hetotalvariation.Nei’sgeneticdis-tancebasedonISSRdatarangedfrom0.00to0.83,suggestingthatthecollectedaccessionsaregeneticallyGeneticdiversitydiverse.diversityUPGMAclusteringbasedonphenotypictraitscomparedwiththatbasedonISSRdatawerenotPhenotypicconsistent,however,somecomm
6、ongroupingswereobservedinISSRandphenotypictraits.Inmostcases,ISSRaccessionsFigcollectedfromthesamelandraceorfromfigwildformstendedtoclustertogether,confirmingthatnamesgivenbyfarmerstothecollectedlandraceaccessionsareconsistentandconfirmingalsothecommongeneticbackgroundofwi
7、ldfigaccessions.HighphenotypicandISSRvariabilityindicatethatfigcollectionsusedinthisstudyincluderichandvaluablegenesforfigbreeding.ISSRscreeningrevealedthepresenceofthesameISSRallelicprofileforaccessionsfromthesamelandraceorwildformaccessions,indicatingthatISSRcanprovidethe
8、basicinformationnecessarytohelpgenebankstoconservematerialsfromdifferentgeneticbackgroundratherthanduplicatesf
