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Advances in research conducted by the Centro Internacional de Agricultura Tropical together with its technicians in Central America, and the close collaboration with national programs are analyzed regarding factors limiting bean productivity in Central America: the bean pod weevil (Apion godmani)...


Gálvez E., Guillermo E.[Investigaciones sobre el picudo del frijol, la mustia hilachosa y el mosaico dorado en Centroamerica y Mexico]Investigaciones sobre el picudo del frijol, la mustia hilachosa y el mosaico dorado en Centroamerica y Mexico

Maize and climbing beans as associated crops prevail in the highlands of L.A. in traditional systems with low populations and manual planting (in rows and pocket drilling). Two trials were establislied to compare the systems, testing bean densities from 4- 12 plants/m(2) and 3-12 plants/m(2), wit...


García, S.Davis, J.[Sistemas de siembra de maiz y frijol en asociación]Sistemas de siembra de maiz y frijol en asociación

An expt was conducted at CIAT to determine the effect of the application of 5, 10 or 15 ppm NAA, GA and BAP, alone or in combination, on yield and its components. Data were taken on time of emergence, flowering, fruiting, physiological maturity and harvest. Among the growth regulators applied, no...


Álvarez S, E.[Efecto de diferentes dosis e interaccion de reguladores de crecimiento en el rendimiento del frijol (Phaseolus vulgaris) variedad Porrillo Sintetico]Efecto de diferentes dosis e interaccion de reguladores de crecimiento en el rendimiento del frijol (Phaseolus vulgaris) variedad Porrillo Sintetico

In 1976 expt. were conducted on var. trials, fertilization, insecticides, and herbicides in order to identify new technology that could be introduced into small- and intermediate-scale bean production in Honduras. Factors of a complete technological package were also discarded to identify the mos...


Alvarado, LSanders, J.H.[Analisis economico de los experimentos de PROMYF con frijol en postrera, Honduras 1976]Analisis economico de los experimentos de PROMYF con frijol en postrera, Honduras 1976

Towards the end of 1977, the Bush Bean Architectural Improvement Project at CIAT was started with the following objectives: (1) to reduce yield differences between small- and large-seeded types; (2) increase yield capacity and (3) make the crop more attractive and competitive for the different pr...


Gutiérrez, J.A.[Estado actual del mejoramiento por arquitectura en el frijol arbustivo]Estado actual del mejoramiento por arquitectura en el frijol arbustivo
Autor: Maitre, A

Anthropological work carried out by the PROFRIZA project in Cusco over 2 cropping seasons, between 1988-90, are reported. The status of bean cultivation in the region was assessed, as well as the experience acquired in seed production, small farmer management of farming activities, and the integr...


Maitre, A[Proyecto Frijol Zona Andina: Antropologia: Informe final]Proyecto Frijol Zona Andina: Antropologia: Informe final

The effect of 2 daylength treatments (11 and 15 h) on stem elongation was determined in 5 indeterminate bean cv. (G 17650, G 2997, DOR 44, G 5475, and JU 80-11) under growth chamber conditions. Under the short day length, G 17650, a viny indeterminate var. showed the longest stem under all condit...


Masaya, P.M.White, Jeffrey W.[Effects of short days on stem elongation in some indeterminate dry bean cultivars adapted to the tropics]Effects of short days on stem elongation in some indeterminate dry bean cultivars adapted to the tropics

Experience acquired in the first regional trials in Colombia was used as a basis for the initial structuration of an international cooperative network to evaluate cassava cultivars. Each year, the cassava breeding section at CIAT would supply the agronomy section with 5 promising cultivars, which...


Toro, Julio C.Franklin, D.[Consideraciones en la estructuracion de una red cooperativa internacional para la evaluacion de variedades promisorias de yuca]Consideraciones en la estructuracion de una red cooperativa internacional para la evaluacion de variedades promisorias de yuca
Autor: Davis, J.H.C.

The method of selection used by CIATs climbing bean program is between the pedigree method (lineage) and the bulk population method. This method reduces the variation of each hybrid population in F, by individual selection. The evaluation of the germplasm bank was conducted in Popayan (1850 m abo...


Davis, J.H.C.[Orientacion del mejoramiento de frijoles volubles]Orientacion del mejoramiento de frijoles volubles

Des études antérieures ont prédis que le maïs deviendra une culture commerciale et assurera la sécurité alimentaire mieux que toute autre culture. Dans le Nord du Bénin par exemple, il vient en deuxième position après le coton en tant que culture de subsistance et de rente. Selon le Ministère de ...


Baco, M.N.Abdoulaye, TahirouSanogo, D.Langyintuo, A.[Caractérisation des ménages producteurs de maïs en zone de savane sèche au Bénin]Caractérisation des ménages producteurs de maïs en zone de savane sèche au Bénin

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