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    Pathogen incidence and their potential as microbial control agents in IPM of maize stem borers in West Africa

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    Date
    1999
    Author
    Cherry, A.J.
    Lomer, C.J.
    Djegui, D.A.
    Schulthess, F.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    A review of the existing basis for maize stem borer IPM is given and the role of pathogens in the system is evaluated. Survey work outlining the major groups of insect pathogens is described; fungi (Beauveria bassiana and Metarhizium anisopliae), bacteria (Bacillus thuringiensis and Serratia marcesens), and viruses (granuloviruses and cytoplasmic polyhedroviruses) were identified. The presence of other unidentified protozoans, nematodes, fungi and viruses was noted. The virulence of some of the more promising known insect pathogens was explored in preliminary bioassays. Considering the cryptic habits of the insects, and the low input agriculture practiced by the majority of maize farmers in sub-Saharan Africa, Beauveria bassiana isolates possessing the capacity to grow systemically in the maize plant are considered one of the more interesting candidates for development as microbial control agents despite limited control in preliminary trials. Further work should also investigate the potential of pathogens of moderate virulence, such as the protozoans and CPVs.
    https://doi.org/10.1023/A:1009991724
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/4769
    Digital Object Identifier (DOI)
    https://doi.org/10.1023/A:1009991724
    IITA Subjects
    Maize; Pests Of Plants; Plant Diseases
    Agrovoc Terms
    Maize; Stem Borers; Bacillus Thuringiensis; Integrated Pest Management
    Regions
    Africa; West Africa
    Collections
    • Journal and Journal Articles4835
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