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Evidence is presented about the presence of Phaseolus microcarpus in Costa Rica, while it was previously reported northwards in other Central American countries and Mexico. Fourteen populations are currently known, four from the Peninsula of Nicoya, and ten are in the tropical dry forest of the m...


Debouck, Daniel G.Chaves-Barrantes, Néstor FelipeAraya Villalobos, Rodolfo[New records of Phaseolus microcarpus (Leguminosae: Phaseoleae) for Costa Rica]New records of Phaseolus microcarpus (Leguminosae: Phaseoleae) for Costa Rica

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

A survey was carried out in Central Costa Rica in Jan. 1987, in an attempt to find web blight resistance in native var.; 43 samples representing 10 different taxa were found. Wild P. vulgaris was found in 2 different places in the province of San Jose; both populations presented truly wild charac...


Debouck, Daniel G.Araya Villalobos, RodolfoOcampo S., R.A.González Ugalde, W.G.[Collecting Phaseolus in Costa Rica]Collecting Phaseolus in Costa Rica
Salcedo Castaño, Jesús MaríaAraya Villalobos, RodolfoCastañeda-Álvarez, Nora P.Toro Chica, OrlandoDebouck, Daniel G.[Note about the taxonomy of Phaseolus hygrophilus Debouck (Leguminosae-Papilionoideae)]Note about the taxonomy of Phaseolus hygrophilus Debouck (Leguminosae-Papilionoideae)
González Torres, Rosa InésToro Chica, OrlandoDuque E., Myriam CristinaAraya Villalobos, RodolfoDebouck, Daniel G.[Gene flow events among bean species of section Phaseoli in Colombia and Costa Rica using microsatellites markers]Gene flow events among bean species of section Phaseoli in Colombia and Costa Rica using microsatellites markers

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