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Mayanja, S.McEwan, M.[Getting the equation right: Engendering sweetpotato value chains in East Africa.]Getting the equation right: Engendering sweetpotato value chains in East Africa.

This study used discrete and count data regression models and data collected from 732 farm households in Tanzania to test the effect of participation on a project designed to break this quality “seed” bottleneck (via technology awareness and targeted access to clean planting materials) on: i) the...


Okello, A.Sindi, K.Shikuku, K.M.Low, J.W.McEwan, M.Nakazi, F.Namanda, S.Babu, A.Mafuru, J.[Effect of technology awareness and access on the conservation of clean planting materials of vegetatively produced crops: The case of sweetpotato.]Effect of technology awareness and access on the conservation of clean planting materials of vegetatively produced crops: The case of sweetpotato.

Food insecurity has become a key issue in the field of development in recent years with major inadequate intake of vitamin A-rich foods. Specifically, vitamin A deficiency (VAD) remains a major health problem among poor developing-country households, especially in Africa. Efforts to combat VAD cu...


Okello, J.J.Sindi, K.Shikuku, K.McEwan, M.Low, J.W.[A study of household food security and adoption of biofortified crop varieties in Tanzania: the case of orange-fleshed sweetpotato]A study of household food security and adoption of biofortified crop varieties in Tanzania: the case of orange-fleshed sweetpotato

Increased sweetpotato production in sub-Saharan Africa is hampered by high incidence of virus diseases. Work is going on to test whether healthy seed production can be maintained through a combination of farmer practices and internal and external quality assurance mechanisms; and to ensure that ...


Ogero, K.McEwan, M.Jeremiah, S.[Towards improved seed system management: Use of affordable net tunnels and decentralized inspection schemes.]Towards improved seed system management: Use of affordable net tunnels and decentralized inspection schemes.

The flyer captures the achievements made from June 2014 to July 2015 to establish a growing and vibrant sweetpotato community of practice that enables sweetpotato researchers, development agents, farmers and consumers to obtain and apply sweetpotato knowledge effectively. The flyer details the de...


Low, J.W.McEwan, M.[Strengthening the sweetpotato community of practice]Strengthening the sweetpotato community of practice

Mayanja, S.McEwan, M.[Sweetpotato marketing initiatives of innovation platforms in east and central Africa.]Sweetpotato marketing initiatives of innovation platforms in east and central Africa.

McEwan, M.Mayanja, S.[Upscaling the orange-fleshed sweetpotato in East and Central Africa.]Upscaling the orange-fleshed sweetpotato in East and Central Africa.

Vitamin A deficiency is a major nutritional problem in Kenya, leading to night blindness and high mortality rate in infants. Consumption of orange-fleshed sweetpotato (OFSP) that is high in -carotene (pro-vitamin A), can reduce the risk of the deficiency. The utilization of the OFSP in Kenya desp...


Ndolo, P.J.McEwan, M.Akhwale, M.Odongo, M.Nabiwa, G.Yaite, B.[Up-scaling orange-fleshed sweetpotato (Ipomoea batatas (L) Lam) technologies in western Kenya.]Up-scaling orange-fleshed sweetpotato (Ipomoea batatas (L) Lam) technologies in western Kenya.

Finding and sustaining markets for Orange-fleshed sweetpotatoes is a challenge in many parts of East Africa. Farmers face numerous difficulties in identifying credible business partners, while traders and other market chain actors are frustrated by inconsistencies in supply. In the Dissemination ...


Mayanja, S.McEwan, M.Obong, Y.Manasseh, R.Ndolo, P.Lukonge, E.[Building sustainable market linkages through innovations platforms for technology adoption: Case studies from Uganda, Kenya and Tanzania.]Building sustainable market linkages through innovations platforms for technology adoption: Case studies from Uganda, Kenya and Tanzania.

McEwan, M.Namanda, S.Lusheshannija, D.[Whose standards matter? Piloting the implementation of quality declared planting material inspection guidelines for sweetpotato in Lake Zone, Tanzania.]Whose standards matter? Piloting the implementation of quality declared planting material inspection guidelines for sweetpotato in Lake Zone, Tanzania.

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