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    Effect of hostplant resistance on growth and developmental parameters of the flower bud thrips, Megalurothrips sjostedti (Trybom) on some resistant cowpea (Vigna unguiculata [L.] Walp.) cultivars

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    Date
    2004
    Author
    Alabi, O.
    Odebiyi, J.
    Tamo, M.
    Type
    Journal Article
    Review Status
    Peer Review
    Metadata
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    Abstract/Description
    The effect of host plant resistance on growth and developmental parameters of the bean flower thrips Megalurothrips sjostedti Trybom was determined on nine cowpea (Vigna unguiculata {L.}Walp.) cultivars under laboratory conditions. Newly emerged adults M. sjostedti were confined on peduncles with floral buds of the different cowpea cultivars. M. sjostedti suffered 100% pre-imaginal mortality on cowpea lines Moussa local, TVu1509, TVx3236, Sewe and Sanzibanili. Antibiosis is believed to be the mechanism of resistance operating in these cultivars. On KVx404-8-1, M. sjostedti had a prolonged developmental period though not significantly different from Vita 7, the susceptible check at P<0.01. IT91K-180 supported the development and survival of M. sjostedti with the suitability index (growth index) not significantly different from the susceptible check (Vita 7) at P<0.01. Hence the mechanism of its resistance is tolerance.
    https://doi.org/10.1016/S0261-2194(03)00171-6
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/6264
    Digital Object Identifier (DOI)
    https://doi.org/10.1016/S0261-2194(03)00171-6
    IITA Subjects
    Plant Diseases; Plant Health; Disease Control; Cowpea
    Agrovoc Terms
    Vigna Unguiculata; Host Plant Resistance
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Collections
    • Journal and Journal Articles4835
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