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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

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...


International Center for Tropical Agriculture[International cooperation]International cooperation

During 1981 the introduction of germplasm was continued with an additional 147 clones from Brazil in the form of aseptic meristem cultures. Cassava germplasm bank evaluation for adaptation, resistance to diseases and pests, yield, and root quality is in progress in the north coast of Colombia (Me...

Durante 1981 se continuo la introduccion de germoplasma, especialmente 147 clones de Brasil en la forma de cultivo de meristemos. Se siguio la evaluacion del banco de germoplasma de yuca por su adaptacion, resistencia a enfermedades y plagas rendimiento y calidad de las raices en la Costa Norte d...


International Center for Tropical Agriculture[Desarrollo de germoplasma]Desarrollo de germoplasma

International Center for Tropical Agriculture[Evaluación y mejoramiento de prácticas agronómicas]Evaluación y mejoramiento de prácticas agronómicas

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...


International Center for Tropical Agriculture[Cooperación internacional: Proyectos en la región]Cooperación internacional: Proyectos en la región

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