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Basamba, T.A.Amézquita Collazos, EdgarSingh, B.R.Rao, Idupulapati M.[Effects of tillage systems on soil physical properties, root distribution and maize yield on a Colombian acid-savanna Oxisol]Effects of tillage systems on soil physical properties, root distribution and maize yield on a Colombian acid-savanna Oxisol

Drought substantially limits seed yield of common bean (Phaseolus vulgaris L.) in the tropics. Understanding the interaction of drought on yield and the nutrient concentration of the seed is vital in order to supply nutrition to the millions of consumers who rely on common bean as a staple crop. ...


Smith, Millicent R.Veneklaas, Erik JanPolania, JoseRao, Idupulapati M.Beebe, Stephen E.Merchant, Andrew[Field drought conditions impact yield but not nutritional quality of the seed in common bean (Phaseolus vulgaris L.)]Field drought conditions impact yield but not nutritional quality of the seed in common bean (Phaseolus vulgaris L.)

Beebe, Stephen E.Rao, Idupulapati M.Cajiao V., César HernandoGrajales, Miguel A.Butare, L.[Yield potential from interspecific crosses of common and runner bean]Yield potential from interspecific crosses of common and runner bean

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

Common bean (Phaseolus vulgaris L.) is the most important food legume in the diet of poor people in the tropics. Drought causes severe yield loss in this crop. Identification of traits associated with drought resistance contributes to improving the process of generating bean genotypes adapted to ...


Polanía Perdomo, José A.Poschenrieder, CharlotteBeebe, Stephen E.Rao, Idupulapati M.[Effective use of water and increased dry matter partitioned to grain contribute to yield of common bean improved for drought resistance]Effective use of water and increased dry matter partitioned to grain contribute to yield of common bean improved for drought resistance

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

BACKGROUND Plants depend on their root systems to acquire the water and nutrients necessary for their survival in nature, and for their yield and nutritional quality in agriculture. Root systems are complex and a variety of root phenes have been identified as contributors to adaptation to soils w...


Rao, Idupulapati M.Miles, John W.Beebe, Stephen E.Horst, Walter J.[Root adaptations to soils with low fertility and aluminium toxicity]Root adaptations to soils with low fertility and aluminium toxicity

Common bean (Phaseolus vulgaris L.) is the most important food legume crop in Africa and Latin America where rainfall pattern is unpredictable. The objectives were to identify better yielding common bean lines with good canning quality under drought, and to identify traits that could be used as s...


Assefa, TeshaleRao, Idupulapati M.Cannon, Steven B.Wu, JixiangGutema, ZenbabaBlair, Matthew W.Otyama, PaulAlemayehu, FitsumeDagne, Belete[Improving adaptation to drought stress in white pea bean (Phaseolus vulgaris L.): Genotypic effects on grain yield, yield components and pod harvest index]Improving adaptation to drought stress in white pea bean (Phaseolus vulgaris L.): Genotypic effects on grain yield, yield components and pod harvest index

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

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