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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

Common bean productivity is reduced by several abiotic stress factors like drought and low soil fertility, leading to yield losses particularly in low input smallholder farming systems in the tropics. To understand the genetics of stress tolerance, and to improve adaptation of common bean to adv...


Díaz, Lucy MilenaRicaurte, JaumerTovar, EduardoCajiao V., César HernandoTerán Santofimio, HenryGrajales, Miguel A.Polanía, JoseRao, Idupulapati M.Beebe, Stephen E.Raatz, Bodo[QTL analyses for tolerance to abiotic stresses in a common bean (Phaseolus vulgaris L.) population]QTL analyses for tolerance to abiotic stresses in a common bean (Phaseolus vulgaris L.) population

Díaz, Lucy MilenaRicaurte Oyola, José JaumerCajiao V., César HernandoGaleano, Carlos H.Rao, Idupulapati M.Beebe, Stephen E.Raatz, Bodo[Phenotypic evaluation and QTL analysis of yield and symbiotic nitrogen fixation in a common bean population grown with two levels of phosphorus supply]Phenotypic evaluation and QTL analysis of yield and symbiotic nitrogen fixation in a common bean population grown with two levels of phosphorus supply

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

Breeding for resistance to biotic and abiotic stresses of global importance in common bean is reviewed with emphasis on development and application of marker-assisted selection (MAS). The implementation and adoption of MAS in breeding for disease resistance is advanced compared to the implementat...


Miklas, PNKelly, James D.Beebe, Stephen E.Blair, Matthew W.[Common bean breeding for resistance against biotic and abiotic stresses : From classical to MAS breeding]Common bean breeding for resistance against biotic and abiotic stresses : From classical to MAS breeding

Background Common bean is the most important staple grain legume for direct human consumption and nutrition. It complements major sources of carbohydrates, including cereals, root crop, or plantain, as a source of dietary proteins. It is also a significant source of vitamins and minerals like iro...


Berny Mier y Teran, Jorge CarlosKonzen, Enéas R.Palkovic, AntoniaTsai, Siu MuiRao, Idupulapati M.Beebe, Stephen E.Gepts, Paul[Effect of drought stress on the genetic architecture of photosynthate allocation and remobilization in pods of common bean (Phaseolus vulgaris L.), a key species for food security]Effect of drought stress on the genetic architecture of photosynthate allocation and remobilization in pods of common bean (Phaseolus vulgaris L.), a key species for food security
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

Legumes provide essential micronutrients that are found only in low amounts in the cereals or root crops. An ongoing project at CIAT has shown that the legume common bean is variable in the amount of seed minerals (iron, zinc, and other elements), vitamins, and sulfur amino acids that they contai...


Blair, Matthew W.Astudillo, CarolinaRengifo, JBeebe, Stephen E.Graham, R[QTL analyses for seed iron and zinc concentrations in an intra-genepool population of Andean common beans (Phaseolus vulgaris L.)]QTL analyses for seed iron and zinc concentrations in an intra-genepool population of Andean common beans (Phaseolus vulgaris L.)

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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