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    Tropical cover crops for the management of the yam nematode, Scutellonema bradys

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    S16ArtClaudiuscoleTropicalInthomDev.pdf (569.0Kb)
    Date
    2016-01-13
    Author
    Claudius-Cole, A.O.
    Asiedu, Robert
    Fawole, B.
    Type
    Journal Article
    Target Audience
    General Public
    Metadata
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    Abstract/Description
    Yam tuber dry rot caused by Scutellonema bradys results in the reduction of tuber quality. Studies were conducted on the effect of intercropping cover crops with yams on nematode damage to tubers. Eleven cover crops were intercropped with yams in pot screen house and field experiments. Plants were inoculated with S. bradys in water suspension in pots and by incorporating infected yam peels into soil around plant roots in field experiments with un-inoculated plants serving as control. The experiments were factorial with six replications per treatment in pot and four in field experiments. In pot experiments, populations of S. bradys recovered from tubers and nematode damage were lower in yam tubers intercropped with Tagetes erecta, Aeschynomene histrix, Stylosanthes guianensis, Mucuna pruriens and Pueraria phaseoloides compared to where no cover crops were intercropped with yams. Conversely, S. bradys populations from pots with Crotalaria ochroleuca, Crotalaria juncea, Centrosema pubescens, Cajanus cajan and Lablab purpureus were similar to Vigna unguiculata, a known host of S. bradys. The use of A. histrix, T. erecta and S. guianensis, M. pruriens and P. phaseoloides offers promise for inclusion in yam-based cropping systems as a measure for S. bradys management in yam production.
    https://dx.doi.org/10.1080/09670874.2015.1111465
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/740
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1080/09670874.2015.1111465
    IITA Subjects
    Yam
    Agrovoc Terms
    Aeschynomene; Dioscorea; Nematode; Mucuna
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Journals
    International Journal of Pest Management
    Collections
    • Journal and Journal Articles4835
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