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Revista U.D.C.A Actualidad & Divulgación Científica

Print version ISSN 0123-4226


ARAMENDIZ-TATIS, Hermes et al. MORPHOAGRONOMICAL CHARACTERIZATION OF AN EGGPLANT (Solanum melongena L.). rev.udcaactual.divulg.cient. [online]. 2009, vol.12, n.2, pp.101-111. ISSN 0123-4226.

Knowing the genetic diversity of a gene bank is important in plant breeding because it allows the identification of hybrid combinations with greater heterotic effects and facilitates selection of superior transgressive segregates in populations. The objective of this study was to estimate the genetic divergence among 62 eggplant accessions collected in the Colombian Caribbean, using 21 morphoagronomical characters. The data were the mode for each descriptor according to IBPGR (1988). Genotype Similarity Discrimination values were obtained using the Cole Rodgers et al. (1997) method and the Unweighted Pair Group with Arithmetic Means (UPGMA) method using Genes (Cruz, 2006). Descriptors such as cotyledon color, growth habit, leaf width, leaf lobes, thorns on leaves, leaf pubescence and fruit calyx width and length presented lack of variation. Seven groups were identified, two of which comprise a single accession. Dendrogram showed that accessions identified as 48 and 56 were identical based on the descriptors.

Keywords : Multivariate analysis; genetic resources; gene bank.

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