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Drought occurrence and striga hermonthica (Del.) Benth infestation are formidable maize (Zea mays L.) production constriants in the savanna zones of West and Central Africa (WCA). The West and Central Africa collaborative Maize Research Network (WECAMAN), in collaboration with the International I...


Badu-Apraku, B.Fakorede, M.A.B.Menkir, A.Kamara, A.Y.Akanvou, L.Chabi, Y.[Response of early maturing maize to multiplestresses in the Guinea savanna of West and Central Africa]Response of early maturing maize to multiplestresses in the Guinea savanna of West and Central Africa

Cowpea farming practices have been ongoing for millennia and have always faced various challenges including diseases, insects, and weeds, that lower its yield to no more than 200 kg/ha. This economically and nutritionally important crop has been a major research focus of the International Institu...


Dabiré, B.C.Tignegré, J.B.Ba, Malick N.Tamò, M.Sanon, A.Ouédraogo, T.J.Neya, B.J.Muleba, N.Hammond, W.Coulibaly, O.[An historical review of progress to control key cowpea biotic constraints in Burkina Faso]An historical review of progress to control key cowpea biotic constraints in Burkina Faso
Tenkouano, A.Swennen, R.[Progress in breeding and delivering improved plantain and banana to African farmers]Progress in breeding and delivering improved plantain and banana to African farmers

Maize (Zea mays) is an important crop for food, feed, and agroindustrial raw material produced primarily in the savannah but also in other agroecologies of West and Central Africa (WCA). Maize production in the savannah has been constrained by cultivation of inappropriate varieties, biotic and ab...


Badu-Apraku, B.Fakorede, M.A.B.[Breeding early and extra-early maize for resistance to biotic and abiotic stresses in sub-Saharan Africa]Breeding early and extra-early maize for resistance to biotic and abiotic stresses in sub-Saharan Africa

Recent and current efforts at IITA to assess risks due to the various biotic stresses, arthropod pests and diseases, are presented for different cropping systems. In the case of cassava arthropod pests, the focus is on temperature-mediated interactions between the pest and its natural enemy which...


Tamo, M.Beed, Fen D.Goergen, Georg E.Hanna RCoyne, D.Asten, Piet J.A. vanLegg, J.P.[Risk assessment and modelling: IITA]Risk assessment and modelling: IITA

The study aimed at examining the associations between yield and other traits under drought stress and non-stress conditions. A total of 150 MARS testcrosses were evaluated under both conditions at the International Institute of Tropical Agriculture substation for two years under during the dry se...


Bankole, F.Menkir, A.Olaoye, G.Olakojo, O.Gedil, M.[Association studies between grain yield and agronomic traits of a MARS maize (Zea mays L.) population under drought and non-stress condition]Association studies between grain yield and agronomic traits of a MARS maize (Zea mays L.) population under drought and non-stress condition

The conservation and sustainable management of biodiversity requires an understanding of the biotic and abiotic factors that condition the presence and survival of organisms in natural habitats. The global distribution and ecological hypersensitivity of pteridophytes have made them ideal candidat...


Abotsi, K.E.Bose, R.Adjossou, K.Deblauwe, V.Rouhan, G.Segla, K.N.Atsri, K.H.Kokou, K.[Ecological drivers of pteridophyte diversity and distribution in Togo (West Africa)]Ecological drivers of pteridophyte diversity and distribution in Togo (West Africa)

Enhancing rice yield in upland rice systems through genetic improvement remains a major challenge in the tropics. This review aims to provide the trends on upland rice cultivation over the last 30 years and recent distribution of upland rice in the tropics, and to report progress in studies on ge...


Saito, KazukiAsai, HidetoshiZhao, DuleLaborte, Alice G.Grenier, Cécile[Progress in varietal improvement for increasing upland rice productivity in the tropics]Progress in varietal improvement for increasing upland rice productivity in the tropics

The importance of cowpea, Vigna unguiculata, in human and animal nutrition and sustainability of soil fertility are recognized globally especially in sub-Saharan Africa (SSA) where the crop is mainly produced in the Savanna and the Sahelian agro ecologies. However, cowpea productivity is adversel...


Chamarthi, S.K.Belko, N.Togola, A.Fatokun, C.A.Boukar, O.[Genomics-assisted breeding for drought tolerance in cowpea]Genomics-assisted breeding for drought tolerance in cowpea

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