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This study modeled the introduction of new early cultivars of millet and cowpea, higher cowpea densities, and various fertilization strategies. Model results were then compared with farmer behaviour before and after the availability of these new technologies. The model correctly identified the tw...


Shapiro, Barry I.Sanders, J.H.Reddy, K.C.Baker, T.G.[Evaluating and adapting new technologies in a high-risk agricultural system - Niger]Evaluating and adapting new technologies in a high-risk agricultural system - Niger
Badu-Apraku, B.Yallou, C.Oyekunle, M.Akinwale, R.Aweke, G.Kamara, A.[Consistency of performance of early-maturing maize cultivars in Striga infested and Striga-free environments]Consistency of performance of early-maturing maize cultivars in Striga infested and Striga-free environments

Maize improvement at the International Institute of Tropical Agriculture (IITA), which began in the 1970s, built on the germplasm and experience of earlier years. The main breeding emphasis was to develop maize cultivars and hybrids with high yield potential and durable resistance to diseases and...


Kamara, A.Y.Menkir, A.Fakorede, M.A.B.Ajala, S.O.Badu-Apraku, B.Kureh, I.[Agronomic performance of maize cultivars representing three decades of breeding in the Guinea Savannas of West and Central Africa]Agronomic performance of maize cultivars representing three decades of breeding in the Guinea Savannas of West and Central Africa

Multi-environment trials (METs) in West Africa have demonstrated the existence of genotype×environment interactions (G×E), which complicate the selection of superior cultivars and the best testing sites for identifying superior and stable genotypes. Two powerful statistical tools available for ME...


Badu-Apraku, B.Oyekunle, M.Obeng-Antwi, K.Osuman, A.S.Ado, S.G.Coulibaly, N.Yallou, C.G.Abdulai, M.S.Boakyewaa, G.A.Didjeira, A.[Performance of extraearly maize cultivars based on GGE biplot and AMMI analysis]Performance of extraearly maize cultivars based on GGE biplot and AMMI analysis
Toro Chica, OrlandoOcampo Nahar, César H.Beebe, Stephen E.[Phaseolin diversity in Colombian common bean germplasm]Phaseolin diversity in Colombian common bean germplasm
González Torres, Rosa InésSuárez Baron, HaroldMartínez Garay, CarlosDuque E., Myriam CristinaDebouck, Daniel G.Tohme, Joseph M.[Determination of gene flow events in natural "wild-weedy-cultivated" complexes in genepools of Phaseolus lunatus L]Determination of gene flow events in natural "wild-weedy-cultivated" complexes in genepools of Phaseolus lunatus L

Banana Xanthomonas wilt (BXW), caused by Xanthomonas campestris pv. musacearum, is one of the most important diseases of banana (Musa sp.) and currently considered as the biggest threat to banana production in Great Lakes region of East and Central Africa. The pathogen is highly contagious and it...


Namukwaya, B.Tripathi, L.Tripathi, J.N.Arinaitwe, G.Mukasa, S.B.Tushemereirwe, W.K.[Transgenic banana expressing Pflp gene confers enhanced resistance to Xanthomonas wilt disease]Transgenic banana expressing Pflp gene confers enhanced resistance to Xanthomonas wilt disease

De grandes differences existent entre les cultivars quant a la frequence et la nature des variations phenotypiques sur les plantes regenerees apres culture in vitro. Une grande part de ces variations mime la variabilite naturelle et les variants apparaissent essentiellement comme des copies d'aut...


Vuylsteke, D.R.Swennen, R.Langhe, E. de[Somaclonal variation in plantains (Musa spp, AAB group) derived from shoottip culture]Somaclonal variation in plantains (Musa spp, AAB group) derived from shoottip culture
Akem, C.Uwala, A.C.Dashiell, Kenton E.[Evaluation of soybean cultivars for susceptibility to pyrenochaeta leaf blotch]Evaluation of soybean cultivars for susceptibility to pyrenochaeta leaf blotch

During part of the dry season in 1996 (November to December), surveys were made for incidence of root and stem rot in 99 fields of cassava (Manihot esculenta Crantz) randomly selected between latitudes 6°36′N and 7°49′N in Benin (79 fields) and Nigeria (20 fields). Root rot was observed in 65 fie...


Msikita, W.Yaninek, John S.Ahounou, M.Baimey, H.Fagbemissi, R.[First report of Nattrassia mangiferae root and stem rot of cassava in West Africa]First report of Nattrassia mangiferae root and stem rot of cassava in West Africa

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