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Rao, Idupulapati M.Beebe, Stephen E.Polanía Perdomo, José A.Grajales, Miguel A.Cajiao V., César HernandoRicaurte Oyola, José Jaumer[Evidence for genotypic differences among elite lines of common bean in the ability to remobilize photosynthate to increase yield under drought]Evidence for genotypic differences among elite lines of common bean in the ability to remobilize photosynthate to increase yield under drought

tCommon bean (Phaseolus vulgaris L.) is the most important food legume, cultivated by small farmers andis usually exposed to unfavorable conditions with minimum use of inputs. Drought and low soil fertility,especially phosphorus and nitrogen (N) deficiencies, are major limitations to bean yield i...


Polanía Perdomo, José A.Poschenrieder, CharlotteRao, Idupulapati M.Beebe, Stephen E.[Estimation of phenotypic variability in symbiotic nitrogen fixation ability of common bean under drought stress using 15N natural abundance in grain]Estimation of phenotypic variability in symbiotic nitrogen fixation ability of common bean under drought stress using 15N natural abundance in grain

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

Gaur, Pooran M.Samineni, SrinivasanKrishnamurthy, LaxmanKumar, ShivGhanem, Michel EBeebe, Stephen E.Rao, Idupulapati M.Chaturvedi, Sushil K.Basu, Partha SNayyar, HarshJayalakshmi, VeeraBabbar, AnitaVarshney, Rajeev K.[High temperature tolerance in grain legumes]High temperature tolerance in grain legumes

Crop yield requires leaf area to intercept solar radiation and to undertake photosynthesis, both of which depend on nitrogen (N) accumulation. Further, the amount of accumulated plant N at the beginning of seed fill serves as the reservoir for N required in synthesizing the proteins in developing...


Clavijo Michelangeli, José A.Ricaurte Oyola, José JaumerSinclair, Thomas R.Rao, Idupulapati M.Beebe, Stephen E.[Influence of plant density and growth habit of common bean on leaf area development and N accumulation]Influence of plant density and growth habit of common bean on leaf area development and N accumulation

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
Fonte, Steven J.Nesper, MaikeHegglin, DjangoVelásquez, Jaime E.Ramírez, BerthaRao, Idupulapati M.Bernasconi, Stefano M.Bünemann, Else K.Frossard, EmmanuelOberson, Astrid[Pasture degradation impacts soil phosphorus storage via changes to aggregate-associated soil organic matter in highly weathered tropical soils]Pasture degradation impacts soil phosphorus storage via changes to aggregate-associated soil organic matter in highly weathered tropical soils

Aluminum (Al) toxicity is the principal abiotic constraint in acid soils of the tropics. Common bean, meanwhile, is for the most part very sensitive to this stress although certain genotypes within the species show some level of resistance, justifying screening of germplasm from both the Andean a...


Blair, Matthew W.López Marin, H.D.Rao, Idupulapati M.[Identification of aluminum resistant Andean common bean (Phaseolus vulgaris L.) genotypes]Identification of aluminum resistant Andean common bean (Phaseolus vulgaris L.) genotypes

Se evaluaron en invernadero en un suelo de Matazul, Meta, Colombia durante 6 semanas, 2 genotipos de Brachiaria (uno mejor adaptado a bajo P, B. decumbens y otro menos adaptado, B. ruziziensis) y 8 progenies del cruzamiento entre ellos ( mejores adaptados: H-7, H-40, H-28, H-58; menos adaptados: ...


Mejia Kerguelen, SRao, Idupulapati M.Ramírez, H.Louw-Gaume, AGaume, AFrossard, Emmanuel[Atributos morfológicos y fisiológicos de genotipos de Brachiaria en un suelo con bajo fósforo disponible y alta saturación de aluminio = Morphologic and physiological attributes of Brachiaria genotypes in soil with low available phosphorus and high aluminum saturation]Atributos morfológicos y fisiológicos de genotipos de Brachiaria en un suelo con bajo fósforo disponible y alta saturación de aluminio = Morphologic and physiological attributes of Brachiaria genotypes in soil with low available phosphorus and high aluminum saturation

Nitrification, a key process in the global nitrogen cycle that generates nitrate through microbial activity, may enhance losses of fertilizer nitrogen by leaching and denitrification. Certain plants can suppress soil-nitrification by releasing inhibitors from roots, a phenomenon termed biological...


Subbaraoa, Guntur V.Nakahara, K.Hurtado, MPOno, HMoreta Mejia, DESalcedo, AFYoshihashi, ATIshikawa, T.Ishitani, ManabuOhnishi, MYoshida, MRondón, Marco AntonioRao, Idupulapati M.Lascano, Carlos E.Berry, W.L.Ito, O.[Evidence for biological nitrification inhibition in Brachiaria pastures]Evidence for biological nitrification inhibition in Brachiaria pastures

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