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The progress in identification of genotypes with roots showing greater ability to penetrate compacted soils under moisture stress and understanding the physiological basis and morphological expression of the characteristics associated is fundamental to improving crop’s tolerance to drought and to...


Rivera, MarielaPolanía, José A.Ricaurte Oyola, José JaumerBorrero, GonzaloBeebe, Stephen E.Rao, Idupulapati M.[Soil Compaction Induced Changes in Morpho-physiological Characteristics of Common Bean]Soil Compaction Induced Changes in Morpho-physiological Characteristics of Common Bean

The common bean is a tropical facultative short day legume that is now grown in tropical and temperate zones. This observation underscores how domestication and modern breeding can change the adaptive phenology of a species. A key adaptive trait is the optimal timing of the transition from the ve...


Bhakta, Mehul S.Gezan, Salvador A.Clavijo Michelangeli, Jose A.Carvalho, MelissaZhang, LiJones, James W.Boote, Kenneth J.Correll, Melanie J.Beaver, James S.Osorno, Juan M.Colbert, RaphaelRao, Idupulapati M.Beebe, Stephen E.González, AbiezerRicaurte Oyola, José JaumerVallejos, C. Eduardo[A Predictive Model for Time-to-Flowering in the Common Bean Based on QTL and Environmental Variables]A Predictive Model for Time-to-Flowering in the Common Bean Based on QTL and Environmental Variables

Symbiotic nitrogen fixation (SNF) contributes to improve grain yield under nitrogen (N) deficiency. Climbing beans are known to be superior to bush beans in their potential for SNF. The main objectives of this study were to: (i) quantify genotypic differences in SNF ability of climbing beans usin...


Barbosa Torres, Norma ConstanzaPortilla, ElizabethBuendía Castellanos, Hector F.Raatz, BodoBeebe, Stephen E.Rao, Idupulapati M.[Genotypic differences in symbiotic nitrogen fixation ability and seed yield of climbing bean]Genotypic differences in symbiotic nitrogen fixation ability and seed yield of climbing bean
Assefa, T.Beebe, Stephen E.Rao, Idupulapati M.Cuasquer, Juan B.Duque E., Myriam CristinaRivera, MarielaBattisti, ALucchin, M[Pod harvest index as a selection criterion to improve drought resistance in white pea bean]Pod harvest index as a selection criterion to improve drought resistance in white pea bean

Among Plant Genetic Resources for Agriculture, landraces are excellent genetic materials for developing new varieties. Due to their genetic diversity, these populations have maintained potentially useful alleles for increasing valuable traits in crops. A diet mostly relying on pulses as source of...


Caproni, L.Raggi, L.Talsma, Elise F.Santos, Luis GuillermoGereda, Javier M.Londoño, Luis FernandoWenzl, PeterBeebe, Stephen E.Negri, V.[Screening common bean (P. vulgaris L.) germplasm for Fe and Zn biofortication]Screening common bean (P. vulgaris L.) germplasm for Fe and Zn biofortication
Blair, Matthew W.Buendía Castellanos, Hector F.Díaz, Lucy MilenaDíaz, J.M.Giraldo Zapata, Martha C.Tovar Luque, EDuque E., Myriam CristinaBeebe, Stephen E.Debouck, Daniel G.[Microsatellite marker diversity in common bean]Microsatellite marker diversity in common bean

A diversity survey was used to estimate allelic diversity and heterozygosity of 129 microsatellite markers in a panel of 44 common bean (Phaseolus vulgaris L.) genotypes that have been used as parents of mapping populations. Two types of microsatellites were evaluated, based respectively on gene ...


Blair, Matthew W.Giraldo Zapata, Martha C.Buendía Castellanos, Hector F.Tovar Luque, EDuque E., Myriam CristinaBeebe, Stephen E.[Microsatellite marker diversity in common bean (Phaseolus vulgaris L.)]Microsatellite marker diversity in common bean (Phaseolus vulgaris L.)
Hoyos Villegas, ValerioSong, QijianWright, Evan M.Beebe, Stephen E.Kelly, James D.[Joint linkage QTL mapping for yield and agronomic traits in a composite map of three common bean RIL populations]Joint linkage QTL mapping for yield and agronomic traits in a composite map of three common bean RIL populations

Iron and zinc deficiencies are human health problems found throughout the world and biofortification is a plant breeding-based strategy to improve the staple crops that could address these dietary constraints. Common bean is an important legume crop with two major genepools that has been the focu...


Blair, Matthew W.Medina, JIAstudillo, CarolinaRengifo Medina, JBeebe, Stephen E.Machado, GGraham, RD[QTL for seed iron and zinc concentration and content in a Mesoamerican common bean (Phaseolus vulgaris L.) population]QTL for seed iron and zinc concentration and content in a Mesoamerican common bean (Phaseolus vulgaris L.) population

Advanced backcross QTL analysis was used to identify quantitative trait loci (QTL) for agronomic performance in a population of BC2F3:5 introgression lines created from the cross of a Colombian large red-seeded commercial cultivar, ICA Cerinza, and a wild common bean accession, G24404. A total of...


Blair, Matthew W.Iriarte Solórzano, G.A.Beebe, Stephen E.[QTL analysis of yield traits in an advanced backcross population derived from a cultivated Andean x wild common bean (Phaseolus vulgaris L.) cross]QTL analysis of yield traits in an advanced backcross population derived from a cultivated Andean x wild common bean (Phaseolus vulgaris L.) cross

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