Wild common bean in the Central Valley of Costa Rica: ecological distribution and molecular characterization.
DOI:
https://doi.org/10.15517/am.v15i2.11894Keywords:
Phaseolus vulgaris, population genetics, conservation biology, Central America, gene flow.Abstract
This work offers an update on the
distribution of wild common bean in Costa Rica, its ecology
and molecular characterization. To date 22 populations have
been discovered in four watersheds around the Central Valley,
usually in man-made habitats (often sides of coffee
plantations), under varying conservation status (from protected
to threatened). Molecular characterization indicates that the
wild common bean belong to the Mesoamerican gene pool.
Different markers indicate an increased genetic diversity in
some wild populations, and allow to hypothesize the presence
of gene flow and introgression from cultivated materials.
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