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Vegetables play a major role in the livelihoods of the rural poor in Africa. Among major constraints to vegetable production worldwide are diseases caused by a group of viruses belonging to the genus Begomovirus, family Geminiviridae. Begomoviruses are plant-infecting viruses, which are transmitt...


Leke, W.N.Mignouna, Djana B.Brown, J.K.Kvarnheden, A.[Begomovirus disease complex: emerging threat to vegetable production systems of West and Central Africa]Begomovirus disease complex: emerging threat to vegetable production systems of West and Central Africa
Mignouna, Djana B.Abdoulaye, TahirouAkinola, Adebayo A.Alene, A.Nweke, F.[Factors influencing the use of selected inputs in yam production in Nigeria and Ghana]Factors influencing the use of selected inputs in yam production in Nigeria and Ghana

Mignouna, Djana B.Abdoulaye, TahirouAlene, A.Akinola, Adebayo A.Maroya, N.[Baseline protocols: the case of Yam Improvement for Income and Food Security in West Africa (YIIFSWA) project; YIIFSWA working paper series, No. 4]Baseline protocols: the case of Yam Improvement for Income and Food Security in West Africa (YIIFSWA) project; YIIFSWA working paper series, No. 4

Mignouna, Djana B.Akinola, Adebayo A.Abdoulaye, TahirouAlene, A.Maroya, N.Aighewi, B.A.Wobill, T.Asiedu, Robert[Impact evaluation protocols for agricultural projects: the case of yam improvement for income and food security in West Africa]Impact evaluation protocols for agricultural projects: the case of yam improvement for income and food security in West Africa

Aighewi, B.A.Maroya, N.Mignouna, Djana B.[Key for a profitable and sustainable seed yam business enterprise: business plan and market development with record keeping for seed yam farmers]Key for a profitable and sustainable seed yam business enterprise: business plan and market development with record keeping for seed yam farmers

New seed yam systems from minisetts, minitubers and vine cuttings have been developed for yam production to supplant the traditional systems, which have proven inefficient and costly. The new techniques provide producers in tropical countries with the opportunity to minimize production costs, red...


Mignouna, Djana B.Abdoulaye, TahirouAlene, A.Aighewi, B.A.Pelemo, O.Manyong, Victor M.Asiedu, RobertAkoroda, M.O.[Economic analysis of seed yam production systems in Nigeria]Economic analysis of seed yam production systems in Nigeria

Declining productivity of food crops in developing countries is associated with several factors including poor adoption of improved technologies against pests and parasites destroying crops with developmental implications on food insecurity and poverty. This study has been undertaken to contribut...


Mignouna, Djana B.[Adoption and impact of improved technologies in developing countries: the case of Imazapyrresistant maize in Western Kenya]Adoption and impact of improved technologies in developing countries: the case of Imazapyrresistant maize in Western Kenya

The coconut mite, Aceria guerreronis Keifer, has been identified as one of the pests that pose a threat to the coconut industry in Benin. The study presents the simulation results of the economic benefits of the biological control of coconut mites in Benin using a standard economic surplus model....


Oleke, J.M.Manyong, Victor M.Mignouna, Djana B.Isinika, A.Mutabazi, K.D.Hanna, R.Sabelis, M.[Exante economic analysis of biological control of coconut mite in Benin]Exante economic analysis of biological control of coconut mite in Benin
Ainembabazi, John H.Asten, Piet J.A. vanVanlauwe, BernardOuma, Emily A.Blomme, GuyBirachi, Eliud AbucheliDontsop Nguezet, Paul M.Mignouna, Djana B.Manyong, Victor M.[Improving the speed of adoption of agricultural technologies and farm performance through farmer groups: evidence from the Great Lakes region of Africa.]Improving the speed of adoption of agricultural technologies and farm performance through farmer groups: evidence from the Great Lakes region of Africa.

Imazapyr-Resistant Maize (IRM) is a weed control technology, not yet well adopted in the Striga prone area in Western Kenya. The adoption may expand in the future because it enhances maize production via efficiency gains. As to help farmers maximize the maize output affected by Striga for so long...


Mignouna, Djana B.Manyong, Victor M.Mutabazi, K.D.Senkondo, E.Oleke, J.M.[Assessing the technical efficiency of maize producers with Imazapyrresistant maize for Striga control in Western Kenya]Assessing the technical efficiency of maize producers with Imazapyrresistant maize for Striga control in Western Kenya

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