Los Fríjoles Colombianos Lima y Común: Puntos de Vista de su Origen y el Significado de su Evolución

Publicado
1996-10-31
Sección
Artículos
  • Daniel G. Debouck Genetic Resouces Unit, A.A. 6713, Cali

Resumen

Se presenta una revisión de la distribución geográfica de las formas silvestres del frijol común y del frijol lima en el Neotrópico, de sus características morfológicas y ecológicas, y de la variación bioquímica y molecular a lo largo de esta distribución. Estos hechos muestran que la diversidad genética viene organizada en tres acervos o grupos de genes, uno de ellos siendo ancestral, y con subdivisiones adicionales dentro de los acervos derivados. Se discuten las relaciones filogenéticas entre este ramal ancestral y las especies afines. Más que lugar de contacto entre acervos de materiales cultivados, Colombia aparece como corredor biológico donde transitaron las ramas ancestrales, y como lugar de posible domesticación.

 

 

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