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Autor: Lozano, J.C.

The main pathological problems of the cassava crop are summarized. Four bacterial diseases have been identified and their causal agents characterized: CBB, angular leaf spot, bacterial stem rot, and bacterial stem gall. Two mycoplasmal problems, witches` broom and antholysis, have been identified...


Lozano, J.C.[Problemas patologicos en el cultivo de la yuca]Problemas patologicos en el cultivo de la yuca

Se revisan los avances en el mejoramiento de la yuca durante una decada hasta 1985 por CIAT y el International Institute of Tropical Agriculture (Nigeria). Los temas tratados cubren recursos de germoplasma en el genero Manihot; citogenetica en Manihot spp.; coleccion y conservacion de germoplasma...


Jennings, DLHershey, Clair H.[Cassava breeding: a decade of progress from international programmes]Cassava breeding: a decade of progress from international programmes
International Center for Tropical Agriculture[Farmer participation in bean integrated pest management (IPM)]Farmer participation in bean integrated pest management (IPM)

Reports on snap beans in developing countries are presented, to evaluate restrictions affecting production; directions for future research are also identified. Information presented includes producing regions and production statistics; nutritive value; consumption, marketing, and foreign trade; p...


African animal trypanosomosis is a parasitic disease that afflicts livestock across much of sub-Saharan Africa. The disease, primarily transmitted by the tsetse fly (Glossina spp.), causes morbidity and mortality in several species of livestock. It is particularly important in southern Burkina Fa...


Kamuanga, M.Antoine, C.Brasselle, A.S.Swallow, B.M.D'Ieteren, G.D.M.Bauer, B.[Impacts of tsetse control on migration, livestock production, cropping practices and farmer-herder conflicts in the Mouhoun valley of southern Burkina Faso]Impacts of tsetse control on migration, livestock production, cropping practices and farmer-herder conflicts in the Mouhoun valley of southern Burkina Faso

The new regional subprojects on technology generation and transfer, submitted for approval by the Comite Directivo del Proyecto de Frijol para la Zona Andina (PROFRIZA) in its 3rd meeting, are presented. These include (1) on-farm research on bean cultivation with the participation of farmers (Bol...


Cardona Mejía, CésarLópez Avila, A.Valarezo, OC[Whiteflies as pests of annual crops in the tropical highlands of Latin America. Conclusions and recommendations]Whiteflies as pests of annual crops in the tropical highlands of Latin America. Conclusions and recommendations

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