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    Natural occurrence of Fusarium proliferatum on chestnut in Italy and its potential entomopathogenicity against the Asian chestnut gall wasp Dryocosmus kuriphilus

    Access Status
    Fulltext not available
    Authors
    Tosi, L.
    Beccari, G.
    Rondoni, G.
    Covarelli, Lorenzo
    Ricci, C.
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Tosi, L. and Beccari, G. and Rondoni, G. and Covarelli, L. and Ricci, C. 2015. Natural occurrence of Fusarium proliferatum on chestnut in Italy and its potential entomopathogenicity against the Asian chestnut gall wasp Dryocosmus kuriphilus. Journal of Pest Science. 88 (2): pp. 369-381.
    Source Title
    Journal of Pest Science
    DOI
    10.1007/s10340-014-0624-0
    ISSN
    1612-4758
    School
    Centre for Crop and Disease Management (CCDM)
    URI
    http://hdl.handle.net/20.500.11937/67403
    Collection
    • Curtin Research Publications
    Abstract

    © 2014, Springer-Verlag Berlin Heidelberg. The Asian chestnut gall wasp Dryocosmus kuriphilus (DK) is one of the most important pests of chestnut trees worldwide, and sustainable control measures are urgently required for its control. In this study, the recurring mycoflora associated with DK galls in some Italian chestnut orchards was identified, and two Fusarium proliferatum strains (I3 and I4) were tested for their entomopathogenicity toward DK and their pathogenicity to chestnut in order to evaluate their potential as biocontrol agents. The two F. proliferatum strains, both isolated from the inside of DK galls and often covering dead bodies of larvae, pupae, and adults, caused a natural insect infection of about 4 % and resulted to be non-pathogenic to chestnut plants, while they induced 33 and 97 % of larvae mortality when applied in laboratory experiments to intact DK fresh or sectioned galls, respectively. Both strains infected maize seedlings, used as non-target hosts, and produced fumonisins in vitro. The efficacy in controlling DK in the galls, the absence of pathogenicity to chestnut, and the lower mycotoxin production indicated strain I3 as a promising biocontrol agent of the considered pest.

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