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    Dosage-mortality and time-mortality responses of the armyworm Spodoptera exempta to a nuclear polyhedrosis virus.

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    Abstract (30.88Kb)
    Date
    1981
    Author
    Odindo, MO
    Type
    Article; en
    Language
    en
    Metadata
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    Abstract
    Third-instar larvae of Spodoptera exempta (Wlk.) were fed on young maize leaves treated with 20 mu l of polyhedral inclusion body (PIB) suspension of concentrations that varied from 1.6 X 102 to 1.6 X 109 PIBs/ml. Daily observations were made on mortality rates. A probit analysis on the results gave an LD50 of 48.4 PIB/larva (lower and upper fiducial limits 39.2 and 59.4 PIBs/larva, respectively), and an LT50 that varied from 146.2 to 221.3 h, depending on the dosage. The results show the high pathogenicity of S. exempta nuclear polyhedrosis virus for its host.
    URI
    http://www.cabdirect.org/abstracts/19810588032.html?resultNumber=9&q=au%3A%22Odindo%2C+M.+O.%22
    http://hdl.handle.net/11295/91169
    Citation
    Journal of Invertebrate Pathology 1981 Vol. 38 No. 2 pp. 251-255
    Publisher
    University of Nairobi
    Collections
    • Faculty of Agriculture & Veterinary Medicine (FAg / FVM) [5481]

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