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The results of the 1983 A and B and 1984 A and B Central American bean yield and adaptation nursery (VICAR) are presented. The nurseries were classified into red and black beans. The red bean 1983 A and B nurseries, composed of 12 materials and a control, were planted at 2 sites in Costa Rica, 2 ...

Se presentan los resultados del vivero Centroamericano de adaptacion y rendimiento (VICAR) de 1983 A y B y 1984 A y B. Los viveros se clasificaron en frijol rojo y negro. Los viveros de grano rojo de 1983 A y B, constituidos por 12 materiales y 1 testigo, se sembraron en 2 localidades en Costa Ri...

In Mondomo, state of Cauca (Colombia), a socioeconomic survey was made of the 7 famers in the area that participated in the program of demonstration plots. In general terms the educational level is varied, the majority (6) are full-time farmers who have lived in the area greater than 10 yr and ha...

This expt, that is currently being carried on in Mondomo (Cauca, Colombia) seeks to validate the technology produced by the CIAT Cassava Program, with promising var. and adequate agricultural practices; and to evaluate and compare traditional vs. new technology under farming conditions. A technol...

The origin, agronomic characteristics, and root productivity of cassava cv. Mae Joana (IM-175) and Zolhudinha (IM-158) are given; the performance of these root rot-resistant cv. was outstanding throughout 9 trials carried out with 258 other cv. to determine appropriate cv. for the varzea area of ...

A brief analysis is made of the general aspects of cassava cultivation and soil types in Mondomo, state of Cauca (Colombia). Emphasis is placed on bitter starch production, with 25 starch factories working throughout the yr. These generally operate with 2 permanent workers and are classified as s...

This is an overview of the present status of cassava as regards production and yields, nutritional value and international research programs. A cassava research program to be developed by CIAT is presented. The program covers the following areas: varietal improvement, production systems, internat...

The purpose of the Bean Web Blight International Nursery (VIM) is to evaluate the degree of resistance or tolerance to Thanatephorus cucumeris of bean var. or advanced lines, and select genes to be incorporated to commercial var. in the different countries where the disease is a constraint to pro...

The International Bean Rust Nursery (IBRN) is in charge of testing promising Phaseolus vulgaris cv. and lines for their resistacne to rust (Uromyces phaseoli). In 1975-76 132 bean lines were tested, among which there were 28 potential rust-race differentials. In 1977-78, 26 trials were planted wi...