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The cassava diseases of major economic importance in Africa are cassava mosaic, bacterial blight, and anthracnose, and the major cassava pests are cassava mealybug and green spider mite. Methods of screening cassava breeding material for resistance to the diseases and pests in the light of factor...
En Afrique, les maladies et ennemis du manioc d'une grande imponance economique sontrespectivement la br0lure bacterienne, I'anthracnose et la mosai,que dans le premiercas et la cochenilledans le second. Des discussions ont eu lieu sur des m6thodes de s6lection du materiel genetique demanioc i la...
The breeding objectives in the Root and Tuber Improvement Programme of the International Institute of Tropical Agriculture (IITA) were laid down. Basic considerations in cassava breeding were reviewed and discussed. The paper attempts to produce a cassava breeding system applicable on a world-wid...
Expose des objectifs du Programme de Selection et d'Amelioration des Plantes a Racine et a Tubercule a I'lnstitut International d'Agriculture Tropicale (IITA). Examen critique des problemes fondamentaux de la selection et de I'amelioration du manioc et tentative de formulation d'un systeme de sel...
Se establecieron los objetivos de hibridacion del Programa de Mejoramiemo de Raices y Tuberculos del Instituto de Agricultura Tropical (IITA). Se discutieron las consideraciones basicas del mejoramiento genthico en yuca. EI reporte intenta producir un sistema de hibridacion que sea aplicable sobr...
Response on behalf of the board and management of WARDA to the report of the Inter Center Rice Review. These views were presented at the discussion of the report at TAC 60, and the CGIAR meeting in May 1993. WARDA questions the methodology by which the review panel arrived at the conclusion that ...
Cassava, originally from South America, is the fourth most important source of calories in the developing world after the cereal crops wheat, maize, and rice. Worldwide, it feeds an estimated 700 million people directly or indirectly. Cassava production has increased steadily for the last 50 year...
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