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ORINOQUIA
versão On-line ISSN 0121-3709
Resumo
GUERRERO PINILLA, Jorge A.; CAMPUZANO, Luis F.; ROJAS, Salvador e PACHON-GARCIA, Jorge. Morphological and Agronomic Characterisation of the Jatropha curcas L. Colombian Germplasm collection. Orinoquia [online]. 2011, vol.15, n.2, pp.131-147. ISSN 0121-3709.
In order to determine the Genetic diversity of the colombian germplasm collection of Jatropha curcas L., established with a total of 246 wild accessions collected in different regions of the country, it was carried out a morphological and agronomical characterization using 27 Genetic traits either qualitative or quantitative type. The study was based on multivariable statistics statistical to determine the Genetic Variability among accessions. The distances in the dendrogram made possible to stablish 18 groups based on the DICE dissimilarity coefficient between the characters associated with yield components, agronomic characteristics, and specific descriptors of interest related to 10 principal components obtained from 20 quantitative evaluated descriptors. Morphological characterization allowed us to determine the presence of Genetic Variability within accessions especially descriptors available to plant architecture, plant size, length of the not lignified branch, latex color and this study of the Jatropha germplasm collection allows the handling and use of accessions in traditional plant and molecular markers assisted programs according to the use of the species for energy purposes in the production of agrofuels.
Palavras-chave : Descriptors; Genetic Variability; Jatropha curcas L.; Agrofuels.