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The activities on character deployment involve the recombination or use of desirable characters (e.g., level of resistance to diseases and insect pests, tolerance to drought, ability to fix atmospheric N) in commercial cv., according to the needs of the particular production region for which the ...

Las actividades en despliegue de caracteres involucran la recombinacion o uso de caracteres deseables (como nivel de resistencia a enfermedades y plagas, tolerancia a sequia, capacidad fijadora de N atmosferico) en cv. comerciales, de acuerdo con las necesidades de la region productora especifica...


International Center for Tropical Agriculture[Character deployment]Character deployment

During 1986 emphasis was given to testing promising bean germplasm for yields and the 1st materials bred at CIAT specifically for drought tolerance. Preliminary screening was performed under mild stress in the 1st semester, while exceptionally dry weather permitted evaluation under high levels of...

Durante 1986 se dio enfasis a pruebas de germoplasma promisorio de frijol por rendimiento y de los primeros materiales mejorados en CIAT especificamente por tolerancia a la sequia. La seleccion preliminar se efectuo en condiciones de estres leve en el primer semestre, en tanto que condiciones de ...


International Center for Tropical Agriculture[Genetic improvement and related activities. Improvement of individual characters. Drought tolerance]Genetic improvement and related activities. Improvement of individual characters. Drought tolerance

Primary emphasis is being placed on a search for genotypes with erect architecture adapted to narrow row spacings and high populations and which show marked yield increases under intensive agronomic management. This research strategy is complemented by studies on specific problems such as exploit...

Se ha dado enfasis fundamental a la busqueda de genotipos con arquitectura erecta, adaptados a espacios estrechos entre hileras y altas poblaciones y que muestren incrementos notables en rendimiento bajo manejo agronomico intensivo. Esta estrategia de investigacion se complementa con estudios sob...


International Center for Tropical Agriculture[Genetic improvement and related activities. improvement of individual characters. yield potential]Genetic improvement and related activities. improvement of individual characters. yield potential

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...


International Center for Tropical Agriculture[Progeny evaluation in uniform nurseries]Progeny evaluation in uniform nurseries

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...


International Center for Tropical Agriculture[Evaluación de progenie en viveros uniformes]Evaluación de progenie en viveros uniformes

Results are discussed and tables are included with the data obtained for bush and climbing beans grown in: (1) the Bean Team Nursery (VEF) between July 1-Dec. 31, 1981; (2) the 1981 Preliminary Yield Trial (EP), selected from the correspondent VEF reported the previous year; and (3) the 1980 Inte...

Se discuten los resultados y se incluyen tablas con los datos obtenidos para frijol arbustivo y voluble en: 1) el Vivero del Equipo de Frijol (VEF) sembrado entre julio 1-dic. 31 de 1981; 2) el Ensayo de Rendimiento Preliminar (EP) 1981, seleccionados del VEF del ano inmediatamente anterior; 3) e...


International Center for Tropical Agriculture[Progeny evaluation in uniform nurseries]Progeny evaluation in uniform nurseries

International Center for Tropical Agriculture[Evaluation and improvement of agronomic practices]Evaluation and improvement of agronomic practices

The seventh testing cycle for promising CIAT selections under improved, low-input technology was completed in 1981 at 9 locations in Colombia. The overall av. yield of the trials was 8.5 t/ha/yr, which is nearly 3 times the national av. yield of 3-3.5 t/ha. Av. yield of local cv. was about twice ...


International Center for Tropical Agriculture[Pruebas regionales]Pruebas regionales

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