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The Bean Team Nursery (VEF) is the 1st uniform and multidisciplinary evaluation for adaptation and disease and insect resistance and is composed of advanced, coded CIAT hybrid lines from various breeding projects, the germplasm bank, and national programs. Among the bush bean entries, 16 percent ...

La primera evaluacion multidisciplinaria y uniforme que se hacede los materiales por su adaptacion y resistencia a enfermedades yplagas es en el vivero del equipo de frijol (VEF) el cual secompone de lineas hibridas avanzadas, codificadas por el CIAT,procedentes de varios proyectos de mejoramient...

The Bean Team Nursery (VEF) is the 1st uniform and multidisciplinary evaluation for adaptation and disease and insect resistance and is composed of advanced, coded CIAT hybrid lines from various breeding projects, the germplasm bank, and national programs. Among the bush bean entries, 16 percent ...

La primera evaluacion multidisciplinaria y uniforme que se hacede los materiales por su adaptacion y resistencia a enfermedades yplagas es en el vivero del equipo de frijol (VEF) el cual secompone de lineas hibridas avanzadas, codificadas por el CIAT,procedentes de varios proyectos de mejoramient...

Research carried out by CIAT on specific character improvement is described and the results obtained in the following studies are given: resistance to viral (BCMV, combined BCMV and BYMV, bean chlorotic mottle virus, and BGMV), fungal (anthracnose, angular leaf spot, rust, and web blight), and ba...

Se describen las investigaciones realizadas por CIAT sobre mejoramiento del caracter especifico y se presentan los resultados obtenidos sobre: resistencia a enfermedades virales (BCMV, combinacion de BCMV y BYMV, virus del moteado clorotico del frijol y BGMV), fungicas (antracnosis, mancha foliar...

Research activities carried out by CIAT in collaboration with national research institutions for the improvement of bean production in the Central American and Caribbean region are analyzed. In 1981, preliminary trials (EP) were planted in Costa Rica and Guatemala in an effort to identify promisi...

Research on plant pathology carried out during 1981 emphasized the study of some epidemiological, etiological, and physiological factors related to the occurrence of the superelongation disease of cassava caused by Sphaceloma manihoticola. Dry-heat treatments (60 degrees Celsius for 14 days) brea...

During 1981, the efforts to use meristem-culture methods have continued, together with thermotherapy for recovering healthy clones. Frog skin disease was eradicated up to 100 percent in different cassava clones during various propagation cycles through the culture of small meristem tips. A routin...

The principal objective of on-farm trials is to provide feedback to the technology generation/var. improvement process. The trials carried out by CIAT and the Instituto Colombiano Agropecuario on farms in the Colombian regions of Huila, (10 farms in 1980 A), Antioquia (14 farms in 1979 A and 1980...

El objetivo principal de los ensayos a nivel de finca es proveer informacion de retorno al proceso de generacion de tecnologia y mejoramiento var. Se describen en detalle los ensayos realizados por el CIAT y el Instituto Colombiano Agropecuario en fincas de las regiones colombianas del Huila (10 ...

The principal objective of on-farm trials is to provide feedback to the technology generation/var. improvement process. The trials carried out by CIAT and the Instituto Colombiano Agropecuario on farms in the Colombian regions of Huila, (10 farms in 1980 A), Antioquia (14 farms in 1979 A and 1980...

El objetivo principal de los ensayos a nivel de finca es proveer informacion de retorno al proceso de generacion de tecnologia y mejoramiento var. Se describen en detalle los ensayos realizados por el CIAT y el Instituto Colombiano Agropecuario en fincas de las regiones colombianas del Huila (10 ...

A cooperative project between Central American countries and CIAT to increase bean production in the region was initiated in 1980. The following activities were stimulated: (1) Interinstitutional technology transfer by distribution through CIAT yield and adaptation nurseries and national programs...

En 1980 se inicio un proyecto cooperativo entre los paises de America Central y el CIAT para incrementar la produccion de frijol en la region. Se estimularon las siguientes actividades: 1) Transferencia interinstitucional de tecnologia mediante la distribucion en la region de viveros de adaptacio...