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    A review of biotechnological approaches towards crop improvement in African yam bean (Sphenostylis stenocarpa Hochst. Ex A. Rich.)

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    Journal Article (973.4Kb)
    Date
    2021-11
    Author
    Oluwole, O.O.
    Aworunse, O.S.
    Aina, A.I.
    Oyesola, O.L.
    Popoola, J.O.
    Oyatomi, O.
    Abberton, M.
    Obembe, O.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
    Show full item record
    Abstract/Description
    Globally, climate change is a major factor that contributes significantly to food and nutrition insecurity, limiting crop yield and availability. Although efforts are being made to curb food insecurity, millions of people still suffer from malnutrition. For the United Nations (UN) Sustainable Development Goal of Food Security to be achieved, diverse cropping systems must be developed instead of relying mainly on a few staple crops. Many orphan legumes have untapped potential that can be of significance for developing improved cultivars with enhanced tolerance to changing climatic conditions. One typical example of such an orphan crop is Sphenostylis stenocarpa Hochst. Ex A. Rich. Harms, popularly known as African yam bean (AYB). The crop is an underutilised tropical legume that is climate-resilient and has excellent potential for smallholder agriculture in sub-Saharan Africa (SSA). Studies on AYB have featured morphological characterisation, assessment of genetic diversity using various molecular markers, and the development of tissue culture protocols for rapidly multiplying propagules. However, these have not translated into varietal development, and low yields remain a challenge. The application of suitable biotechnologies to improve AYB is imperative for increased yield, sustainable utilisation and conservation. This review discusses biotechnological strategies with prospective applications for AYB improvement. The potential risks of these strategies are also highlighted.
    Acknowledgements
    The authors wish to appreciate the Genetic Resources Centre, International Institute of Tropical Agriculture, Ibadan, and the management of Covenant University, Ota for the support rendered.
    https://dx.doi.org/10.1016/j.heliyon.2021.e08481
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7545
    IITA Authors ORCID
    Michael Abbertonhttps://orcid.org/0000-0003-2555-9591
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1016/j.heliyon.2021.e08481
    Research Themes
    Biotech and Plant Breeding
    IITA Subjects
    Agronomy; Climate Change; Food Security; Genetic Improvement; Grain Legumes; Plant Breeding; Plant Genetic Resources; Plant Production
    Agrovoc Terms
    African Yam Bean; Plant Biotechnology; Crop Improvement; Grain Legumes; Climate Change; Food Security
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Hubs
    Headquarters and Western Africa Hub
    Journals
    Heliyon
    Collections
    • Journal and Journal Articles5286
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