Título
Intraspecific diversity and morpho-phenological variation in Phaseolus lunatus L. from the Yucatan Peninsula, Mexico
Autor
JAIME MARTINEZ CASTILLO
DANIEL ZIZUMBO VILLARREAL
HUGO RAFAEL PERALES RIVERA
SILVIA PATRICIA COLUNGA GARCIA MARIN
Nivel de Acceso
Acceso Abierto
Materias
Resumen o descripción
The genetic diversity of P. lunatus in the Yucatan Peninsula was assessed on the basis of its morphological and phenological characters. Our results were then discussed in relation to ethnobotanic information obtained about the intraspecific diversity recognized by farmers, their selection criteria, agronomic management, production purpose and percentage of cultivated area. Research was undertaken in one of the cultural subareas of Mesoamerica, the Lowland Maya area, where traditional agriculture has been more persistent and where high diversity of P. lunatus landraces has been recorded. Four of the 13 cultural-geographic zones established for the origin of this culture were included, 160 farmers from 12 localities were interviewed, and 149 seed samples of P. lunatusgermplasm were collected and analyzed using six characters. A subset of these samples was grown under ex situ uniform growth conditions and analyzed using 28 characters. Ethnobotanical and morpho-phenological data indicated 30 putative distinct landraces, two wild, and two weedy variants, suggesting gene flow among them. Richness and diversity estimates were greatest, and evenness lowest, where there was: 1) minimal agricultural intensification, 2) wild and weedy populations, and 3) greater persistence of traditional culture. Results underscored the importance of establishing in situ conservation programs in these areas.
Fecha de publicación
2004
Tipo de publicación
Artículo
Versión de la publicación
Versión publicada
Recurso de información
Formato
application/pdf
Fuente
Economic Botany, 58(3), 354-380, 2004.
Idioma
Inglés
Relación
&
Colunga-Garcíamarin, P. (2004). Intraspecific diversity and morpho-phenological variation in Phaseolus lunatus L. from the Yucatan Peninsula, Mexico. Economic Botany, 58(3), 354-380.
Sugerencia de citación
Martínez-Castillo, J., Zizumbo-Villarreal, D., Perales-Rivera, H.,
Repositorio Orígen
Repositorio Institucional CICY
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