Phenotypic diversity of foliar traits in coconut germplasm

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dc.contributor.authorArunachalam, V.
dc.contributor.authorAugustine Jerard, B.
dc.contributor.authorDamodaran, V.
dc.contributor.authorRatnambal, M.J.
dc.contributor.authorKumaran, P.M.
dc.date.accessioned2014-07-15T05:45:08Z
dc.date.available2014-07-15T05:45:08Z
dc.date.issued2005
dc.description.abstractCoconut palm is a multipurpose crop cultivated in tropics. Diversity in this crop is rich in South Pacific Ocean and Indian Ocean Islands. Foliar traits have not been studied extensively to understand the diversity. Seven traits relevant to wind tolerance, dry matter production and taxonomic discrimination known in palms are used in the study. An attempt was made using Shannon–Weaver index with an objective to understand the level of diversity for these traits in a germplasm collection from diversity hotspot areas. Seven tall groups and four dwarf groups representing seven island territories were studied using 206 individuals. Diversity estimate was the highest in Nicobar tall group whereas it was low in tall genotypes of Fiji and Tonga. Thickness of leaf sheath fiber of weft and warp strands had shown high diversity estimates. Results obtained in this study were analyzed in relation to adaptation, geographical affinity, mating system and taxonomic forms (typica and nana) along with the importance of foliar traits in diversity of coconut. Abbreviations: CIRAD – Centre de coop eration internationale en recherche agronomique pour le d eveloppement; CGRD – International Coconut Genetic Resources Database; COGENT – International Coconut Genetic Resources Network; IPGRI – International Plant Genetic Resources Institute; FP – French Polynesia; PNG – Papua New Guineaen_US
dc.identifier.citationGenetic Resources and Crop Evolution (2005) 52: 1031–1037en_US
dc.identifier.urihttp://hdl.handle.net/123456789/4085
dc.language.isoenen_US
dc.subjectCoconuten_US
dc.subjectDiversityen_US
dc.subjectGermplasmen_US
dc.subjectNicobaren_US
dc.subjectPacific Islandsen_US
dc.titlePhenotypic diversity of foliar traits in coconut germplasmen_US
dc.typeArticleen_US

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