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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
Rangel Becerra, AFRao, Idupulapati M.Braun, HPHorst, Walter J.[Aluminum resistance in common bean (Phaseolus vulgaris) involves induction and maintenance of citrate exudation from root apices]Aluminum resistance in common bean (Phaseolus vulgaris) involves induction and maintenance of citrate exudation from root apices
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

The tropical forage grass Brachiaria humidicola (Bh) controls soil microbial nitrification via biological nitrification inhibition (BNI). The aim of our study was to verify if nitrate reductase activity (NRA) in Bh roots or leaves reflects in vivo performance of BNI in soils. NRA was measured in ...


Karwat, HannesSparke, Marc-AndréRasche, FrankArango, JacoboNuñez, JonathanRao, Idupulapati M.Moreta, DaniloCadisch, Georg[Nitrate reductase activity in leaves as a plant physiological indicator of in vivo biological nitrification inhibition by Brachiaria humidicola]Nitrate reductase activity in leaves as a plant physiological indicator of in vivo biological nitrification inhibition by Brachiaria humidicola
Cardoso Arango, Juan AndrésJiménez, J.Ricón, J.Rao, Idupulapati M.[Adaptive responses of Brachiaria grasses to hypoxia stress]Adaptive responses of Brachiaria grasses to hypoxia stress

Common bean (Phaseolus vulgaris L.) proved to be very sensitive of low pH (4.3), with large genotypic differences in proton sensitivity. Therefore, proton toxicity did not allow the screening of common bean genotypes for aluminium (Al) resistance using the established protocol for maize (0.5 mM C...


Rangel Becerra, AFMobin, MRao, Idupulapati M.Horst, Walter J.[Proton toxicity interferes with the screening of common bean (Phaseolus vulgaris L.) genotypes for aluminium resistance in nutrient solution]Proton toxicity interferes with the screening of common bean (Phaseolus vulgaris L.) genotypes for aluminium resistance in nutrient solution

An estimated 60% of common bean (Phaseolus vulgaris L.) production worldwide is at risk of drought. A breeding program was developed at the International Center of Tropical Agriculture (CIAT) to create drought resistant breeding lines with varietal potential in the small red, small black, cream (...


Beebe, Stephen E.Rao, Idupulapati M.Cajiao V., César HernandoGrajales, Miguel A.[Selection for drought resistance in common bean also improves yield in phosphorus limited and favorable environments]Selection for drought resistance in common bean also improves yield in phosphorus limited and favorable environments
Rao, Idupulapati M.Miles, John W.García, R.Ricaurte Oyola, José Jaumer[Selección de híbridos de Brachiaria con resistencia al aluminio]Selección de híbridos de Brachiaria con resistencia al aluminio

The initial response of plants to aluminium (Al) is an inhibition of root elongation. In the present study, short and medium-term effects of Al treatment (20??M) on root growth and Al accumulation of two common bean (Phaseolus vulgaris L.) genotypes, VAX-1 (Al-sensitive) and Quimbaya (Al-resistan...


Rangel Becerra, AFRao, Idupulapati M.Horst, Walter J.[Spatial aluminium sensitivity of root apices of two common bean (Phaseolus vulgaris L.) genotypes with contrasting aluminium resistance]Spatial aluminium sensitivity of root apices of two common bean (Phaseolus vulgaris L.) genotypes with contrasting aluminium resistance
Rao, Idupulapati M.Polanía Perdomo, José A.García, RamiroBeebe, Stephen E.[Desarrollo de un método en invernadero usando tubos con suelo para cuantificar diferencias fenotípicas en desarrollo y distribución de raíces en líneas avanzadas de frijol común bajo condiciones de estrés por sequía]Desarrollo de un método en invernadero usando tubos con suelo para cuantificar diferencias fenotípicas en desarrollo y distribución de raíces en líneas avanzadas de frijol común bajo condiciones de estrés por sequía

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