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Cultivars of common bean (Phaseolus vulgaris L.) capable of yielding well at low levels of native or added phosphorus (P) are highly desirable in many tropical production systems. The objective of the present study was to identify geographical regions which might be sources of such genotypes. A t...


Beebe, Stephen E.Lynch, JGalwey, Nicholas W.Tohme, Joseph M.Ochoa, IE[A geographical approach to identify phosphorus-efficient genotypes among landraces and wild ancestors of common bean]A geographical approach to identify phosphorus-efficient genotypes among landraces and wild ancestors of common bean

Crosses were made and cv. and lines selected to combine the existing resistance to Xanthomonas campestris pv. phaseoli with adaptation to the tropics and to determine new sources of resistance. Crosses were made between adapted lines and sources of resistance, some with Great Northern genes. The ...


Beebe, Stephen E.[Progreso en el CIAT Palmira, Colombia en mejoramiento de resistencia a Xanthomonas campestris phaseoli (X. phaseoli) en frijol para la zona tropical]Progreso en el CIAT Palmira, Colombia en mejoramiento de resistencia a Xanthomonas campestris phaseoli (X. phaseoli) en frijol para la zona tropical

The Central American Adaptation Nursery (VIDAC 1988), comprising the best black- and red-seeded lines evaluated in the 1987 VIDAC, was established to identify well-adapted bean genotypes and obtain information on their degree of resistance to different crop problems. Outstanding (1) black-seeded ...


Orozco S, SHBeebe, Stephen E.Dessert, M.J.[Vivero de Adaptacion Centroamericano VIDAC 1988]Vivero de Adaptacion Centroamericano VIDAC 1988

Acid phosphatase is believed to be important for phosphorus scavenging and remobilization in plants, but its role in plant adaptation to low phosphorus availability has not been critically evaluated. To address this issue, we compared acid phosphatase activity (APA) in leaves of common bean (Phas...


Yan, XLiao, HTrull, MCBeebe, Stephen E.Lynch, J[Induction of a major leaf acid phosphatase does not confer adaptation to low phosphorus availability in common bean]Induction of a major leaf acid phosphatase does not confer adaptation to low phosphorus availability in common bean

Beebe, Stephen E.Rao, Idupulapati M.Mukankusi, Clare MugishaBuruchara, Robin A.[Improving resource use efficiency and reducing risk of common bean production in Africa, Latin America, and the Caribbean]Improving resource use efficiency and reducing risk of common bean production in Africa, Latin America, and the Caribbean

El maíz y el fríjol son un componente vital de las dietas alimenticias de los humanos y la cultura en América Central. Más de un millón de familias de pequeños agricultores siembran estos cultivos para su subsistencia y producen el 70% del maíz y 100% del fríjol que se consume localmente. Sin emb...


Eitzinger, AntonSchmidt, ASain, GSonder, KaiHicks, PNowak, AndreeaFisher, M.Beebe, Stephen E.Läderach, PeterNavarrete-Frías, CRodríguez, B.[Tortillas en el comal: los sistemas de maíz y fríjol de América Central y el cambio climático]Tortillas en el comal: los sistemas de maíz y fríjol de América Central y el cambio climático

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