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The development and scaling of orange-fleshed sweetpotato (OFSP) during the past 25 years is a case study of a disruptive innovation to address a pressing need – the high levels of vitamin A deficiency among children under five years of age in sub-Saharan Africa. When the innovation was introduce...


Low, J.W.Thiele, Graham[Understanding innovation: The development and scaling of orange-fleshed sweetpotato in major African food systems.]Understanding innovation: The development and scaling of orange-fleshed sweetpotato in major African food systems.

Innovations to improve staple crop germplasm can reduce poverty and otherwise improve farmer livelihoods through complex and multiple pathways. This paper reviews the evidence for one prominent pathway—through increased incomes (in cash and kind) for poor farmers who adopt the technology. An imp...


Alwang, JeffreyGotor, E.Thiele, GrahamHareau, G.Chamberlain, J.[Pathways from research on improved staple crop germplasm to poverty reduction for smallholder farmers]Pathways from research on improved staple crop germplasm to poverty reduction for smallholder farmers

The CGIAR Research Program (CRP) on Roots, Tubers and Bananas (RTB) includes vegetatively propagated staple crops linked by common breeding, seed, and postharvest issues, and by the frequency with which women are involved in their production and use. RTB crops are the backbone of food security ac...


Thiele, GrahamKhan, A.Heider, B.Kroschel, J.Harahagazwe, D.Andrade, M.I.Friedmann, M.Gemenet, D.Cherinet, M.Quiróz, R.Faye, E.Dangles, E.Bonierbale, Merideth W.[Roots, Tubers and Bananas: Planning and research for climate resilience]Roots, Tubers and Bananas: Planning and research for climate resilience

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