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El desarrollo de variedades con alta productividad y adaptadas a condiciones de pequeño productor, se ha realizado en Costa Rica desde 1995 a través de fitomejoramiento participativo y es una de las estrategias más económicas para enfrentar los problemas del cultivo. El objetivo del presente trab...


Hernández, Juan CarlosChaves, Néstor F.Araya Villalobos, RodolfoBeebe, Stephen E.[“Diquís”, variedad de frijol común rojo brillante]“Diquís”, variedad de frijol común rojo brillante

Polanía Perdomo, José A.Beebe, Stephen E.Rao, Idupulapati M.Poschenrieder, C.Cajiao V., César HernandoBarrera, S.Grajales, Miguel A.Rivera, M.Barbosa, N.Melo, E.Chaves, N.[Adaptación del frijol común al cambio climático: avances en tolerancia a sequía y calor]Adaptación del frijol común al cambio climático: avances en tolerancia a sequía y calor

The genetic improvement of economically important production traits of dry bean (Phaseolus vulgaris L.), for geographic regions where production is threatened by drought and high temperature stress, is challenging because of the complex genetic nature of these traits. Large scale SNP data sets fo...


Oladzad, AtenaPorch, TimothyRosas, Juan CarlosMoghaddam, Samira MafiBeaver, James S.Beebe, Stephen E.Burridge, JimmyJochua, Celestina NhagupanaMiguel, Magalhaes AmadeMiklas, Phillip N.Raatz, BodoWhite, Jeffrey W.Lynch, Jonathan P.McClean, Phillip E.[Single and Multi-trait GWAS Identify Genetic Factors Associated with Production Traits in Common Bean Under Abiotic Stress Environments]Single and Multi-trait GWAS Identify Genetic Factors Associated with Production Traits in Common Bean Under Abiotic Stress Environments

Water stress is one of the major abiotic stress limitations for grain legume production in smallholder agricultural systems. Phenotypic characterization of water consumption by different species of legumes and genotypes within them plays a key role in adaptation to drought. Dynamics of water use ...


Polanía Perdomo, José A.Vadez, VincentRao, Idupulapati M.Cajiao V., César HernandoBeebe, Stephen E.[Water use in bean and cowpea: efficiency or effective use of water?]Water use in bean and cowpea: efficiency or effective use of water?
Tohme, Joseph M.Beebe, Stephen E.Iwanaga, Masaru[The combined use of agroecological and characterisation data to establish the CIAT Phaseolus vulgaris core collection]The combined use of agroecological and characterisation data to establish the CIAT Phaseolus vulgaris core collection

Important aspects involved in the establishment of a breeding program are indicated. The 1st step is to identify production constraints in order to define priorities. Solutions proposed should emphasize the improvement of materials or the adaptation and innovation of agronomic practices; this str...

Se indican algunos aspectos de importancia en el establecimiento de un programa de fitomejoramiento, donde el primer paso es identificar las limitaciones a la productividad en un orden que permita definir prioridades. Asi, se implementan las soluciones enfatizando el mejoramiento de materiales o ...


Beebe, Stephen E.[La definicion del problema, el objetivo del programa de mejoramiento y planificacion del programa: aspectos claves y errores comunes]La definicion del problema, el objetivo del programa de mejoramiento y planificacion del programa: aspectos claves y errores comunes

This nursery was organized in response to the need for improving adaptation and obtaining genetic information on the resistance or reaction to the different stress environments (biotic and abiotic) to which beans are subjected in production areas. Results are given for the best black- and red-see...

Este vivero se organizo con base en la necesidad de conseguir una mejor adaptacion e informacion genetica sobre la resistencia o la reaccion a los diferentes ambientes de estres (bioticos o abioticos) a los cuales se somete el frijol en las areas de produccion. Se presentan los resultados de las ...


Orozco S., S.H.Beebe, Stephen E.Dessert, J.M.[Informe del vivero de adaptacion centroamericano VIDAC 1987]Informe del vivero de adaptacion centroamericano VIDAC 1987

To select a plant genotype that will thrive in targeted environments it is critical to understand the genotype by environment interaction (GEI). In this study, multi-environment QTL analysis was used to characterize node addition rate (NAR, node day− 1) on the main stem of the common bean (Phaseo...


Zhang, LiGezan, Salvador A.Vallejos, C. EduardoJones, James W.Boote, Kenneth J.Clavijo Michelangeli, Jose A.Bhakta, Mehul S.Osorno, Juan M.Rao, Idupulapati M.Beebe, Stephen E.Roman Paoli, Elvin O.González, AbiezerBeaver, James S.Ricaurte Oyola, José JaumerColbert, RaphaelCorrell, Melanie J.[Development of a QTL-environment-based predictive model for node addition rate in common bean]Development of a QTL-environment-based predictive model for node addition rate in common bean

Sowing density is a major management factor that affects growth and development of grain crops by modifying the canopy light environment and interplant competition for water and nutrients. While the effects of sowing density and plant architecture on static vegetative and reproductive growth trai...


Ricaurte Oyola, José JaumerClavijo Michelangeli, Jose A.Sinclair, Thomas R.Rao, Idupulapati M.Beebe, Stephen E.[Sowing density effect on common bean leaf area development]Sowing density effect on common bean leaf area development

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