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González Torres, Rosa InésToro Chica, OrlandoCarvajal, M.Debouck, Daniel G.[Presencia de complejos silvestre-maleza-cultivo de P. vulgaris L. en Costa Rica y Bolivia utilizando marcadores moleculares de ADN nuclear y cloroplástico]Presencia de complejos silvestre-maleza-cultivo de P. vulgaris L. en Costa Rica y Bolivia utilizando marcadores moleculares de ADN nuclear y cloroplástico

Chloroplast DNA polymorphisms were studied by PCR sequencing and PCR-restriction fragment length polymorphism in 165 accessions of domesticated landraces of common bean from Latin America and the USA, 23 accessions of weedy beans, and 134 accessions of wild beans covering the entire geographic ra...


Chacón Sánchez, María I.Pickersgill, BDebouck, Daniel G.[Domestication patterns in common bean (Phaseolus vulgaris L.) and the origin of the Mesoamerican and Andean cultivated races]Domestication patterns in common bean (Phaseolus vulgaris L.) and the origin of the Mesoamerican and Andean cultivated races
Toro Chica, OrlandoOcampo Nahar, César H.Debouck, Daniel G.[Additional evidence suggests a new map for the distribution of wild-weed-crop complexes of common bean in Colombia]Additional evidence suggests a new map for the distribution of wild-weed-crop complexes of common bean in Colombia

Morales de Borja, AJDebouck, Daniel G.[Widening the representation of bean wild relatives from El Salvador into genebanks]Widening the representation of bean wild relatives from El Salvador into genebanks
Chacón Pinilla, JulianaMadriñán, SantiagoDebouck, Daniel G.Rodríguez Zapata, FaustoTohme, Joseph M.[Phylogenetic patterns in the genus Manihot (Euphorbiaceae) inferred from analyses of nuclear and chlorplast DNA regions]Phylogenetic patterns in the genus Manihot (Euphorbiaceae) inferred from analyses of nuclear and chlorplast DNA regions
Chacón Sánchez, María I.Pickersgill, BDebouck, Daniel G.[The common bean has been part of the Great American Biotic Interchange : Evidence from the study of cpDNA and implications for conservation and breeding]The common bean has been part of the Great American Biotic Interchange : Evidence from the study of cpDNA and implications for conservation and breeding
González Torres, Rosa InésGaitán Solís, ElianaDuque E., Myriam CristinaToro Chica, OrlandoTohme, Joseph M.Debouck, Daniel G.[Medición del flujo de genes en frijol común mediante maracadores moleculares]Medición del flujo de genes en frijol común mediante maracadores moleculares

Interest in bean genetic resources of Central America has resumed because of disease pressures (e.g., web blight, BGMV) and limitations of current bean varieties. As most of the diversity in landraces has been explored, focus is now on the exploration of wild forms of the primary gene pool and wi...


Araya Villalobos, RodolfoGonzález Ugalde, W.G.Camacho Chacon, FSánchez Trejos, Maria P.Debouck, Daniel G.[Observations on the geographic distribution, ecology and conservation status of several phaseolus bean species in Costa Rica]Observations on the geographic distribution, ecology and conservation status of several phaseolus bean species in Costa Rica

The wild common bean (Phaseolus vulgaris) is widely but discontinuously distributed from northern Mexico to northern Argentina on both sides of the Isthmus of Panama. Little is known on how the species has reached its current disjunct distribution. In this research, chloroplast DNA polymorphisms ...


Chacón Sánchez, María I.Pickersgill, BDebouck, Daniel G.Arias, J.S.[Phylogeographic analysis of the chloroplast DNA variation in wild common bean (Phaseolus vulgaris L.) in the Americas]Phylogeographic analysis of the chloroplast DNA variation in wild common bean (Phaseolus vulgaris L.) in the Americas

A new species of Phaseolus (Legumi nosae, Phaseolinae) has been found in the montane forests of the Sierra de Talamanca in eastern Costa Rica, where it appears endemic. Distinctive traits include: radicant roots, purplish red internodes, veins of leaflets, primary bracts, inner face of stan dard,...


Torres González, Alba MarinaToro Chica, OrlandoDebouck, Daniel G.[Phaseolus talamancensis, a new wild bean species (leguminosae, phaseoline) from montane forests of eastern Costa Rica]Phaseolus talamancensis, a new wild bean species (leguminosae, phaseoline) from montane forests of eastern Costa Rica

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