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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

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

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
Salcedo Castaño, Jesús MaríaAraya Villalobos, RodolfoCastañeda-Álvarez, Nora P.Toro Chica, OrlandoDebouck, Daniel G.[Phaseolus hygrophilus (Leguminosae-Papilionoideae), a new wild bean species from the wet forests of Costa Rica, with notes about section Brevilegumeni]Phaseolus hygrophilus (Leguminosae-Papilionoideae), a new wild bean species from the wet forests of Costa Rica, with notes about section Brevilegumeni
David, PerrineChen, Nicolas W.G.Pedrosa Harand, AndreaThareau, VincentSévignac, MireilleCannon, Steven B.Debouck, Daniel G.Langin, ThierryGeffroy, Valerie[A nomadic subtelomeric disease resistance gene cluster in common bean]A nomadic subtelomeric disease resistance gene cluster in common bean

Background Common bean (Phaseolus vulgaris) is an important grain legume and there has been a recent resurgence in interest in its relative, tepary bean (P. acutifolius), owing to this species’ ability to better withstand abiotic stresses. Genomic resources are scarce for this minor crop species ...


Gujaria-Verma, NehaRamsay, LarissaSharpe, Andrew G.Sanderson, Lacey-AnneDebouck, Daniel G.Tar’an, BunyaminBett, Kirstin E.[Gene-based SNP discovery in tepary bean (Phaseolus acutifolius) and common bean (P. vulgaris) for diversity analysis and comparative mapping]Gene-based SNP discovery in tepary bean (Phaseolus acutifolius) and common bean (P. vulgaris) for diversity analysis and comparative mapping
Debouck, Daniel G.[Observations about Phaseolus Lignosus (Leguminosae: Papilionoideae: Phaseoleae), a bean species from the Bermuda Islands]Observations about Phaseolus Lignosus (Leguminosae: Papilionoideae: Phaseoleae), a bean species from the Bermuda Islands

The wild relatives of crops represent a major source of valuable traits for crop improvement. These resources are threatened by habitat destruction, land use changes, and other factors, requiring their urgent collection and long-term availability for research and breeding from ex situ collections...


Ramírez Villegas, JuliánKhoury, Colin K.Jarvis, AndyDebouck, Daniel G.Guarino, Luigi[A gap analysis methodology for collecting crop genepools: a case study with Phaseolus beans]A gap analysis methodology for collecting crop genepools: a case study with Phaseolus beans

Background: The wild relatives of crops represent a major source of valuable traits for crop improvement. These resources are threatened by habitat destruction, land use changes, and other factors, requiring their urgent collection and long-term availability for research and breeding from ex situ...


Ramírez Villegas, JuliánKhoury, Colin K.Jarvis, AndyDebouck, Daniel G.Guarino, Luigi[A gap analysis methodology for collecting crop genepools: a case study with Phaseolus Beans]A gap analysis methodology for collecting crop genepools: a case study with Phaseolus Beans

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