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Cassava varietal improvement in China has historically been conducted by collecting and evaluating local varieties, by introducing and testing of cassava germplasm from abroad, followed by the establishment of a cassava cross-breeding program. Considerable progresses has been made in the followin...
Information is given of the major activities and results of the Regional Bean Program for the Andean Zone in 1990-91. Aspects studied involved participative research, small-scale seed production, integrated control of anthracnose, Ascochyta, and root rots, intercropping systems, strategies for pe...
Se presenta informacion sobre las principales actividades y resultados del Programa Regional de Frijol para la Zona Andina en 1990-91. Se trabajo en: investigacion participativa; produccion artesanal de semillas; control integrado de antracnosis, Ascochyta y pudriciones radicales; sistemas asocia...
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