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Studies of planting dates, densities and patterns in maize bean associations were conducted in Colombia. An efficient methodology is needed to gain a better understanding of maize/bean systems and other crop combinations. The ideal system should minimize competition among the crops (for light, wa...


Flor Montoya, Carlos A.Francis, C.A.[Respuesta de estudio de algunos componentes de una metodologia para investigar los cultivos asociados en el tropico latinoamericano]Respuesta de estudio de algunos componentes de una metodologia para investigar los cultivos asociados en el tropico latinoamericano

The work done by CIAT`s bean breeding program has as its basic objective the production of bean populations and lines with high yielding potential. With a germplasm bank consisting of 9,413 introductions of P. vulgaris at present, it has been possible to conduct adaptation studies under 4 differe...


Robledo, AHernández Bravo, Guillermo[Proceso del programa de fitomejoramiento de frijol, Phaseolus vulgaris, en CIAT]Proceso del programa de fitomejoramiento de frijol, Phaseolus vulgaris, en CIAT
Kirkby, Roger A.[CIAT support for national research strategies in Africa that address bean technology needs of small farmers]CIAT support for national research strategies in Africa that address bean technology needs of small farmers

A yield trial with 25 black bean varieties was carried out on the CIAT experimental farm (Palmira, Colombia) to ascertain the efficiency and accuracy of a 5 x 5 lattice design with different no. of replications (2-6) and plot sizes (1, 2, 4 and 6 rows/plot with 1.5, 3.0, 6.0 and 9.0 m(2) areas, r...


Amézquita, María CristinaMuñoz, J.E.Voysest Voysest, Oswaldo[Eficiencia y precision del diseno en latices bajo distinto numero de repeticiones y tamano de parcela en ensayos de rendimiento de frijol (Phaseolus vulgaris L.)]Eficiencia y precision del diseno en latices bajo distinto numero de repeticiones y tamano de parcela en ensayos de rendimiento de frijol (Phaseolus vulgaris L.)
Thung, Michael D.[Shift in bean-disease importance due to changes in cultural practice and in seed preference in Brazil]Shift in bean-disease importance due to changes in cultural practice and in seed preference in Brazil
Autor: Trutmann, P.

A review is presented on disease development in bean var. mixtures and in pure stands, the effect on diseases of adding resistance components to susceptible mixtures, and the potential on nongenetic methods to control diseases in mixtures. Four mechanisms seem to reduce disease incidence in var. ...


Trutmann, P.[Epidemiology in pure stands and varietal mixtures]Epidemiology in pure stands and varietal mixtures
Autor: Habich, GE

A conceptual framework is given for the creation of small seed enterprises as a market alternative of diverse grains for small- scale, low-income farmers. Managerial aspects of small enterprises are discussed and special restrictions to be taken into account in the case of bean seed are analyzed....


Habich, GE[Pequenas empresas de semillas]Pequenas empresas de semillas
Francis, C.A.Heichel, GH[Efficiency of energy production in maize-bean and other mixed cropping systems]Efficiency of energy production in maize-bean and other mixed cropping systems
Amézquita, María Cristina[Información en redes internacionales: ventajas de su centralización]Información en redes internacionales: ventajas de su centralización

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