资源描述：
《genetic diversity of mango cultivars estimated using scot and issr》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、BiochemicalSystematicsandEcology39(2011)676–684ContentslistsavailableatScienceDirectBiochemicalSystematicsandEcologyjournalhomepage:www.elsevier.com/locate/biochemsysecoGeneticdiversityofmangocultivarsestimatedusingSCoTandISSRmarkersaa,b,*aaacCongLuo,Xin-huaHe,HuC
2、hen,Shi-jinOu,Mei-pingGao,JamesStevenBrown,ccCecileT.Tondo,RaymondJ.SchnellaCollegeofAgriculture,GuangxiUniversity,Nanning530004,PRChinabGuangxiCropGeneticImprovementandBiotechnologyLab,Nanning530007,PRChinacNationalGermplasmRepository,USDAARSSHRS,Miami,USAarticle
3、infoabstractArticlehistory:Twomolecularmarkersystems,SCoTandISSRwereusedforidentificationandgeneticReceived28December2010comparisonanalysisof23mangogermplasmaccessionscollectedwithinGuangxiprov-Accepted28May2011inceofChina.Using18selectedSCoTprimers158bandsweregene
4、rated,ofwhich104Availableonline16June2011(65.82%)werepolymorphic.EighteenselectedISSRprimersamplified156bandswith87(55.77%)beingpolymorphic.ThecultivarsofXiangYaMangotypeandtheirprogenyhaveKeywords:highgeneticsimilaritywitheachother.The23cultivarswereclusteredintot
5、womajorSCoTmarkersgroupsbasedontheSCoTanalysisandthreemajorgroupsbasedontheISSRanalysiswithISSRUPGMA.TheseclustersareinaccordancewiththeirknownoriginsandmainphenotypicGeneticdiversityMangiferaindicaL.characteristics.OurresultsindicatedthattheSCoTanalysisbetterrepr
6、esentstheactualrelationshipsthanISSRanalysis,althoughbothanalysesgivesimilarresults.TheresultsalsodemonstratethattheSCoTmarkersystemisusefulforidentificationandgeneticdiversityanalysisofmangocultivars.Ó2011ElsevierLtd.Allrightsreserved.1.IntroductionMango(Mangifera
7、indicaL.)isanimportantmemberofthefamilyAnacardiaceaeandisanimportantfruittreecropgrowncommerciallyintropicalandsubtropicalregionsoftheworld(Rajwanaetal.,2011).Mangogenotypesaredividedintotwodistinctcategories:monoembryonicmangos,whicharemostlysubtropical(Indiantyp
8、es)andpolyembryonicmangos,whicharemostlytropical(SoutheastAsiantypes).TheseedsofIndiantypescharacteristicallycontainazygoteembryoandthefruitskinishighly
