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Introduction to IITA
What is the Consultative Group on International Agricultural Research CGIAR?
Director Generals Report
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African countries agronomist alley cropping areas breeding program Burkina Faso Cameroon cassava cassava mealybug cassava varieties centers CGIAR collaboration compound farms cowpea Cowpea lines cowpea varieties culture cyanide density developed disease drought ecologies entomologist evaluated fallow farmers farming systems fertilizer field fodder germplasm Ghana Grain Legume grain yield grown harvested hectare high yielding humid hybrid hydromorphic land hyperparasitism hyperparasitoids IITA IITA's Improvement Program increase infestation inoculation International isolates kg/ha legume live mulch lopezi maize varieties mealybug mosaic virus national programs Nigeria nitrogen on-farm parasitoid Ph.D plant breeder plantain plastic mulch population rainfall regional Research Highlights Research Program resistant varieties rice varieties root Rwanda savanna screening season Sierra Leone soil soybean species streak resistance Striga susceptible sweet potato symptoms t/ha Table technique technologies tested tillage tolerance trials tropical tuber TZESR-W University of Ibadan upland valley water yam weed weevil West Africa Zaire