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    Potential returns to yam research investment in sub-Saharan Africa and beyond

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    Journal Article (360.2Kb)
    Date
    2020
    Author
    Mignouna, D.B.
    Akinola, A.A.
    Abdoulaye, T.
    Alene, A.D.
    Manyong, V.
    Maroya, N.G.
    Aighewi, B.A.
    Kumar, P.L.
    Balogun, M.
    Lopez-Montes, A.
    Rees, D.
    Asiedu, R.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
    Show full item record
    Abstract/Description
    Lack of good-quality planting materials has been identified as the most severe problem militating against increased agricultural productivity in sub-Saharan Africa (SSA) and beyond. However, investment of research efforts and resources in addressing this menace will only be feasible and worthwhile if attendant economic gains are considerable. As a way of investigating the economic viability of yam investment, this research has been initiated to address problems confronting yam productivity in eight countries of SSA and beyond: Nigeria, Ghana, Benin, Togo, Côte d’Ivoire, Papua New Guinea, Jamaica, and Columbia. Research options developed were to be deployed and disseminated. Key technologies include the adaptive yam minisett technique (AYMT), varieties adapted to low soil fertility and drought, nematode-resistant cultivars (NRC), and crop management and postharvest practices (CMPP). This article aims at estimating the potential economic returns, the expected number of beneficiaries, and poverty reduction consequent to the adoption of technology options. Estimates show that the new land area that will be covered by the technologies in the eight countries will range between 770,000 ha and 1,000,000 ha with the highest quota accounted for by AYMT. The net present value will range between US$584 and US$1392 million and was highest for the NRC. The CMPP had the lowest benefit-cost ratio of 7.74. About 1,049,000 people would be moved out of poverty by these technologies by 2037 in the region. These technologies are less responsive to changes in cost than that in adoption rate. Therefore, the realization of the potential economic gains depends on the rate and extent of adoption of these technologies. Giving the knowledge-intensive nature of some of these interventions, capacity building of potential adopters will be critical to increasing the sustainability of the yam sector, thereby enhancing food security and reducing poverty.
    https://dx.doi.org/10.1177/0030727020918388
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7422
    IITA Authors ORCID
    Djana Babatima Mignounahttps://orcid.org/0000-0002-4074-2928
    Adebayo Akinolahttps://orcid.org/0000-0002-8290-9597
    Tahirou Abdoulayehttps://orcid.org/0000-0002-8072-1363
    Arega Alenehttps://orcid.org/0000-0002-2491-4603
    Victor Manyonghttps://orcid.org/0000-0003-2477-7132
    Norbert Maroyahttps://orcid.org/0000-0002-7079-4729
    Beatrice Aighewihttps://orcid.org/0000-0002-9398-1674
    P. Lava Kumarhttps://orcid.org/0000-0003-4388-6510
    Morufat Balogunhttps://orcid.org/0000-0001-8770-5529
    Antonio Jose Lopez-Monteshttps://orcid.org/0000-0001-5801-2475
    Robert Asieduhttps://orcid.org/0000-0001-8943-2376
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1177/0030727020918388
    Research Themes
    Biotech and Plant Breeding; Plant Production and Health; Social Science and Agribusiness
    IITA Subjects
    Agribusiness; Agronomy; Food Security; Impact Assessment; Plant Breeding; Plant Health; Plant Production; Policies and Institutions; Socioeconomy; Value Chains; Yam
    Agrovoc Terms
    Ex Ante Impact Assessment; Crops; Poverty; Policies; West Africa
    Regions
    Africa; West Africa
    Countries
    Ghana; Nigeria
    Hubs
    Southern Africa Hub; Eastern Africa Hub; Headquarters and Western Africa Hub
    Journals
    Outlook on Agriculture
    Collections
    • Journal and Journal Articles4842
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