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The taxonomic classification of the wild Lima bean complex needs to be assessed to select species for use in breeding programs and to identify genetic resources for conservation. The objectives of this study were to determine the genetic relationships among, and the phylogeny of, wild Lima bean (...


Caicedo, ALGaitán Solís, ElianaDuque E., Myriam CristinaToro Chica, OrlandoDebouck, Daniel G.Tohme, Joseph M.[AFLP fingerprinting of Phaseolus lunatus L. and related wild species from South America]AFLP fingerprinting of Phaseolus lunatus L. and related wild species from South America

Crop wild relatives that have experienced multiple and independent domestication events provide an excellent model for understanding adaptation processes in crop populations and a first and relevant aspect to investigate is the geographic origin of landraces. The aim of this research was to estab...


Motta Aldana, JRSerrano Serrano, Martha L.Hernández Torres, JorgeCastillo Villamizar, GenisDebouck, Daniel G.Chacón Sánchez, María I.[Multiple origins of Lima Bean landraces in the Americas: evidence from chloroplast and nuclear DNA polymorphisms]Multiple origins of Lima Bean landraces in the Americas: evidence from chloroplast and nuclear DNA polymorphisms

Chloroplast DNA (cpDNA) diversity has been examined using PCR-RFLP and RFLP strategies for phylogenetic studies in the genus Phaseolus. Twenty-two species, including 4 of the 5 cultivated species (P. lunatus L., the Lima bean; P. vulgaris L., the common bean; P. coccineus L., the runner bean and ...


Fofana, B.Baudoin, Jean-PierreVekemans, XDebouck, Daniel G.Jardin, Paul du[Molecular evidence for an Andean origin and a secondary gene pool for the lima bean (Phaseolus lunatus L.) using chloroplast DNA]Molecular evidence for an Andean origin and a secondary gene pool for the lima bean (Phaseolus lunatus L.) using chloroplast DNA
González Torres, Rosa InésSuárez Baron, HaroldMartínez Garay, CarlosDuque E., Myriam CristinaDebouck, Daniel G.Tohme, Joseph M.[Determination of gene flow events in natural "wild-weedy-cultivated" complexes in genepools of Phaseolus lunatus L]Determination of gene flow events in natural "wild-weedy-cultivated" complexes in genepools of Phaseolus lunatus L
Andueza-Noh, RHSerrano Serrano, Martha L.Chacón Sánchez, María I.Sánchez del Pino, I.Camacho-Perez, LCoello-Coello, JMijangos Cortes, JDebouck, Daniel G.Martínez Castillo, J.[Multiple domestications of the Mesoamerican gene pool of lima bean (Phaseolus lunatus L.): evidence from chloroplast DNA sequences]Multiple domestications of the Mesoamerican gene pool of lima bean (Phaseolus lunatus L.): evidence from chloroplast DNA sequences
Serrano Serrano, Martha L.Hernández Torres, JorgeCastillo Villamizar, GenisDebouck, Daniel G.Chacón Sánchez, María I.[Gene pools in wild Lima bean (Phaseolus lunatus L.) from the Americas: evidences for an Andean origin and past migrations]Gene pools in wild Lima bean (Phaseolus lunatus L.) from the Americas: evidences for an Andean origin and past migrations

The results of 2 Phaseolus lunatus germplasm collections, carried out in the Depts. of Cajamarca and Amazonas (Peru), are discussed in terms of origin and domestication problems of this crop. (AS-CIAT)


Debouck, Daniel G.Linan J., J.H.[Observations on the domestication of Phaseolus lunatus L]Observations on the domestication of Phaseolus lunatus L

A total of 96 accessions (82 cultivated and 14 wild) of lima beans, Phaseolus lunatus, from CIAT`s collection, were analyzed for their seed`s CP composition. So far, 2 major families of electrophoretic patterns can be distinguished in the cultivated materials, showing that they come from 2 differ...


Debouck, Daniel G.Maquet, A.Posso, C.E.[Biochemical evidence for two different gene pools in lima beans, Phaseolus lunatus L]Biochemical evidence for two different gene pools in lima beans, Phaseolus lunatus L

Some historical aspects and 2 possible reasons for the domestication of Phaseolus vulgaris and P. lunatus are considered, namely, that (1) bean domestication occurred at least 8000 yr ago in the southern Peruvian Andes, as a food plant, or that (2) beans were domesticated for different reasons an...


Debouck, Daniel G.[Early beans (Phaseolus vulgaris L. and P. Lunatus) L. domesticated for their aesthetic value?]Early beans (Phaseolus vulgaris L. and P. Lunatus) L. domesticated for their aesthetic value?

No wild Phaseolus bean germplasm is currently available from seed banks for Ecuador. Because of the decisive importance of the wild forms in evolutionary studies of the bean crops, and given the key geographical situation of that country in the northern Andes, a joint exploration was recently car...


Debouck, Daniel G.Castillo T., R.Tohme, Joseph M.[Observations on little-known Phaseolus germplasm of Ecuador]Observations on little-known Phaseolus germplasm of Ecuador

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