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The genetic changes occuring in av. productivity, adaptation, and response to environments with different levels of yield for black-colored grain material selected by CIAT during 1976-79 are examined. Data from 124 expt. of the International Bean Yield and Adaptation Nursery (IBYAN) of black bean...


Voysest Voysest, Oswaldo[Comportamiento en ambientes de diversos niveles de productividad de genotipos de frijol negro desarrollados en Colombia]Comportamiento en ambientes de diversos niveles de productividad de genotipos de frijol negro desarrollados en Colombia

Gepts, Paul L.[Introduccion a las hibridaciones interespecificas con el frijol comun, Phaseolus vulgaris L]Introduccion a las hibridaciones interespecificas con el frijol comun, Phaseolus vulgaris L

The improvement strategy of climbing bean in Cusco should take into account the importance of maize as a crop. In a recent study in 2 maize-growing communities of Valle Sagrado, 75 and 88 percent of the farmers considered beans as the main crop; however, only 57 and 22 percent of the maize-growin...


Ortiz Arriola, V.Maitre, A[Estrategias de mejoramiento de frijol para un sistema asociado con maiz, en el Valle Sagrado, Cusco-Peru]Estrategias de mejoramiento de frijol para un sistema asociado con maiz, en el Valle Sagrado, Cusco-Peru

International Center for Tropical Agriculture[International bean trials : Broad classification of CIAT international bean trials]International bean trials : Broad classification of CIAT international bean trials

International Center for Tropical Agriculture[Bean production systems program: Highlights in 1976]Bean production systems program: Highlights in 1976

Activities carried out by the Instituto Colombiano Agropecuario (ICA)-CIAT collaborative project on beans for cold climates in ICA`s regional center in Obonuco and in the dept. of Narino (Colombia) are reported. On the exptl. farm, 6233 materials were evaluated in bush bean trials, of which 103 w...


Vermeulen, J.Davis, J.[Informe de trabajos 1981/1982. Programa de frijol]Informe de trabajos 1981/1982. Programa de frijol
Ochwoh, Víctor A.Wortmann, Charles S.Lynch, Jonathan P.[Bean improvement for low fertility in Africa (BILFA): IV. Manganese toxicity]Bean improvement for low fertility in Africa (BILFA): IV. Manganese toxicity
Lunze, LubangaWortmann, Charles S.Lynch, Jonathan P.[Bean improvement for low fertility in Africa (BILFA): III. Aluminum toxicity]Bean improvement for low fertility in Africa (BILFA): III. Aluminum toxicity

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