Genetic relationship and diversity in Indian coconut accessions based on RAPD markers

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dc.contributor.authorAnuradha Upadhyay
dc.contributor.authorJayadev, K.
dc.contributor.authorManimekalai, R.
dc.contributor.authorParthasarathy, V.A.
dc.date.accessioned2014-06-20T05:21:31Z
dc.date.available2014-06-20T05:21:31Z
dc.date.issued2004
dc.description.abstractRandomly amplified polymorphic DNA (RAPD) markers were used to analyze genetic diversity and genetic relationship among coconut accessions. DNA from 81 palms representing 20 accessions, 15 Indian and 5 exotic, was used to amplify with 8 highly polymorphic primers. The 8 primers yielded 77 markers, with an average of 9.6 markers per primer. The within-accession genetic diversity ranged from 0.057 to 0.196. In general, tall accessions were more heterozygous as they had higher proportions of polymorphic bands and genetic diversity. The proportion of variation explained by within accession and between accession diversity was 0.58 and 0.42, respectively. Similarly exotic accessions exhibited more variation. Dwarfs from geographically distant regions did not cluster separately. Based on the similarity matrix, cluster and principal coordinate analysis was performed. A dendrogram of genetic relationship was obtained. The extent of genetic diversity and genetic relationship among accessions is discussed.en_US
dc.identifier.citationScientia Horticulhlrae 99 (2004): 353-362en_US
dc.identifier.urihttp://hdl.handle.net/123456789/3138
dc.language.isoenen_US
dc.subjectCocos nuciferaen_US
dc.subjectGenetic diversityen_US
dc.subjectMolecular markersen_US
dc.subjectRAPDen_US
dc.titleGenetic relationship and diversity in Indian coconut accessions based on RAPD markersen_US
dc.typeArticleen_US

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