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    Size of predatory mites and refuge entrance determine success of biological control of the coconut mite

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    U16ArtDasilvaSizeInthomDev.pdf (714.8Kb)
    Date
    2016
    Author
    Silva, F.R. da
    Moraes, G.J. de
    Lesna, I.
    Sato, Y.
    Vásquez, C.
    Hanna, R.
    Sabelis, M.W.
    Janssen, A.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Predators face the challenge of accessing prey that live in sheltered habitats. The coconut mite Aceriaguerreronis Keifer (Acari: Eriophyidae) lives hidden beneath the perianth, which is appressed to the coconut fruit surface, where they feed on the meristematic tissue. Its natural enemy, the predatory mite Neoseiuluspaspalivorus De Leon (Acari: Phytoseiidae), is larger than this pest and is believed to gain access to the refuge only after its opening has increased with coconut fruit age. In the field, experimentally enlarging the perianth-rim-fruit distance beyond the size of the predators resulted in earlier predator occurrence beneath the perianth and lower numbers of coconut mites. On non-manipulated coconut fruits, the predators gained access to the prey weeks later than on manipulated ones, resulting in higher pest densities of coconut mites. Successful biological control thus critically hinges on the size of the predator relative to the opening of the prey refuge.
    https://dx.doi.org/10.1007/s10526-016-9751-2
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/1340
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1007/s10526-016-9751-2
    Research Themes
    PLANT PRODUCTION & HEALTH
    IITA Subjects
    Pests Of Plants; Plant Health
    Agrovoc Terms
    Eriophyidae; Phytoseiidae; Aceria Guerreronis; Perianth; Coconuts; Biological Control
    Regions
    Africa; South America
    Countries
    Venezuela
    Journals
    BioControl
    Collections
    • Journal and Journal Articles4835
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