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    Free-living nematode assemblages in the rhizosphere of watermelon plants in Nigeria: a baseline study

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    Journal Article (2.971Mb)
    Date
    2020
    Author
    Bello, T.T.
    Coyne, D.L.
    Fourie, H.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Watermelon is increasingly produced and consumed in Nigeria and sub-Saharan Africa. However, limited information exists regarding nematode pests and beneficial/free-living nematodes associated with the crop. The present study recorded the abundance and diversity of free-living nematodes from 50 watermelon fields across south-west Nigeria during 2016/2017. Of the 30 genera identified from soil samples, Cephalobus, followed by Rhabditis, Aphelenchus and Aporcelaimus, were predominant. Variation in nematode community structures across the 50 fields was apparent for mean maturity indices, metabolic footprints, feeding-type composition and coloniser-persister (c-p) structure. Faunal analyses characterised 52% of the fields as having stable and enriched soil food webs, which is beneficial for crop production. Significant correlations were apparent between some nematode genera and selected soil properties, and rainfall. This study provides the first information of free-living nematodes associated with watermelon from sub-Saharan Africa, offering novel and baseline information on their abundance and diversity in south-west Nigeria.
    https://dx.doi.org/10.1163/15685411-00003278
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7587
    IITA Authors ORCID
    Daniel Coynehttps://orcid.org/0000-0002-2030-6328
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1163/15685411-00003278
    Research Themes
    Natural Resource Management
    IITA Subjects
    Crop Systems; Natural Resource Management; Plant Health; Soil Health; Value Chains
    Agrovoc Terms
    Nematodes; Citrullus Lanatus; Watermelons; Crop Production; Value Chain; Soil Fauna; Soil Analysis; Soil Health
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Hubs
    Eastern Africa Hub
    Journals
    Nematology
    Collections
    • Journal and Journal Articles5078
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