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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...

Advances of the mycorrhiza project of CIAT's Cassava Program are highlighted. Objectives include the collection, maintenance, multiplication, and testing of mycorrhizal strains and determination of favorable cultural practices for maintaining mycorrhizal activity during the growth period of cassa...

The strategies and projections of CIAT's cassava program for the period 1986-90 are described and analyzed in detail. Background information is given on the crop including its characteristics and end uses (fresh cassava for foodstuffs, both traditional and innovative dry cassava products). A comp...

Se describen y analizan en detalle las estrategias y proyecciones del programa de yuca del CIAT para el periodo 1986-90. Se hace un marco de presentacion del cultivo que incluye sus caracteristicas y sus usos finales (yuca fresca para alimentacion humana, productos de yuca seca tradicionales y ot...

Price and trade, credit, research, and extension policies and their impact on agriculture in Peru are analyzed. The status of cassava consumption, production, and distribution is reviewed to determine potential and projected demand. Time series data and results of a household survey conducted by ...

Se analizan las politicas de precios y comercio, credito, investigacion y extension y su impacto en la agricultura peruana. Se revisa el estado del consumo, la produccion y la distribucion de yuca para determinar la demanda potencial y la esperada. Se utilizaron datos de estudios en serie a inter...

A brief analysis is made of price, commercialization, credit, research, and extension policies and their impact on agriculture in Colombia. The present status of cassava consumption, production, and distribution is then reviewed in order to determine potential and projected demand. Both time seri...

Se hace un breve analisis de las politicas de precios, comercializacion, credito, investigacion y extension y su impacto en la agricultura colombiana. Luego se revisa el estado actual del consumo, la produccion y la distribucion de la yuca para determinar tanto la demanda potencial como la proyec...

Price, credit, and government spending policies and their impact on agriculture in Venezuela are analyzed. The status of demand for fresh cassava is reviewed as well as the potential demand for both fresh and dried cassava. Cassava has much to offer as the cheapest source of energy in the tropics...

Se analizan las politicas de precios, credito y desembolsos gubernamentales y su impacto en la agricultura venezolana. Se revisan el nivel de demanda de yuca fresca y la demanda potencial de yuca fresca y seca. Siendo la fuente energetica mas economica del tropico, la yuca ofrece muchas posibilid...

Main activities carried out regarding plant breeding in Latin America, Africa, and Asia are summarized. In the case of Latin America, activities involved germplasm management, gene pool development, a project for developing semiarid and subtropical germplasm, participatory research for var. selec...

Se resumen las principales actividades relacionadas con el mejoramiento de la yuca en America Latina, Africa y Asia. En el caso de America Latina, las actividades incluyeron el manejo del germoplasma, el desarrollo de bancos de genes, un proyecto para desarrollar germplasma para regiones semiarid...