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Yam (Dioscoreaspp.) is a primary agricultural commodity and a traditional staple food over much of West and Central Africa, where it is highly profitable both for producers and traders especially when production and storage strategies are successful in securing the supply of urban markets through...


Goergen, Georg E.Dossou, R.Asiedu, RobertHanna, R.[Scale insects on yams in Benin: diversity, incidence and farmers' knowledge and perceptions]Scale insects on yams in Benin: diversity, incidence and farmers' knowledge and perceptions

Improving yam production by mineral fertilisation in the savanna zone of Cote d'Ivoire. Côte d'Ivoire is the second producer of yam after Nigeria with 2.8 millions tons produced per year. Though its farmers are still looking for ‘'virgin'' soil to increase their yields. Mineral fertilization stud...


Soro, D.Dao, D.Carsky, R.J.Asiedu, RobertAssa, A.Girardin, O.[Amelioration de la production de ligname a travers la fertilisation minerale en zone de savene de Cote dIvoire]Amelioration de la production de ligname a travers la fertilisation minerale en zone de savene de Cote dIvoire

Progress is being made at the International Institute of Tropical Agriculture to develop molecular tools for marker-assisted selection that would complement and expedite conventional breeding approaches for genetic improvement of yams (Dioscorea spp.). F mapping populations 1 were developed from ...


Sartie, A.M.Asiedu, Robert[Development of mapping populations for genetic analysis in yams (D. rotundata and D. alata)]Development of mapping populations for genetic analysis in yams (D. rotundata and D. alata)
Ng, N.Q.Asiedu, RobertNg, S.Y.C.[Cassava genetic resources programme at the International Institute of Tropical Agriculture]Cassava genetic resources programme at the International Institute of Tropical Agriculture

Cassava has long been expected to play a key role in rural economic growth in Africa, but has it happened yet? Although research partnerships have produced elite cassava varieties with 50% more yield potential and have demonstrated technologies to improve processing and increase marketing of cass...


James, B.D.Bramel-Cox, P.J.Witte, E.R.Asiedu, RobertWatson, D.Okechukwu, R.U.[Unleashing the power of cassava in Africa…are we there yet?]Unleashing the power of cassava in Africa…are we there yet?
Dixon, A.Okechukwu, R.U.Ssemakula, G.N.Hanna, R.Thresh, J.M.Hughes, J.Ingelbrecht, I.Fregene, Martin A.Legg, J.P.Mahungu, N.M.Nweke, F.Ntawuruhunga, PheneasFauquet, Claude M.Manyong, Victor M.Neuenschwander, P.Whyte, J.Wydra, K.Asiedu, RobertEgesi, Chiedozie N.Bandyopadhyay, RanajitWinter, S.Tarawali, G.Bokanga, M.Ezedinma, C.Sanni, L.O.Ferguson, M.Ogbe, F.O.Akoroda, M.O.Maziya-Dixon, B.B.Ilona, P.Ekanayake, I.J.Ariyo, O.Onyeka, J.Otim-Nape, G.W.Dahniya, Mohamed T.Ortiz, R.Hahn, S.K.Hartman, P.[Cassava improvement in sub-Saharan Africa: contributions of IITA and its partners]Cassava improvement in sub-Saharan Africa: contributions of IITA and its partners

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