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    Biological control products for aflatoxin prevention in Italy: commercial field evaluation of atoxigenic Aspergillus flavus active ingredients

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    U18ArtMauroBiologicalInthomNodev.pdf (590.7Kb)
    Date
    2018
    Author
    Mauro, A.
    García Cela, E.
    Pietri, A.
    Cotty, P.J.
    Battilani, P.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Since 2003, non-compliant aflatoxin concentrations have been detected in maize produced in Italy. The most successful worldwide experiments in aflatoxin prevention resulted from distribution of atoxigenic strains of Aspergillus flavus to displace aflatoxin-producers during crop development. The displacement results in lower aflatoxin concentrations in harvested grain. The current study evaluated in field performances of two atoxigenic strains of A. flavus endemic to Italy in artificially inoculated maize ears and in naturally contaminated maize. Co-inoculation of atoxigenic strains with aflatoxin producers resulted in highly significant reductions in aflatoxin concentrations (>90%) in both years only with atoxigenic strain A2085. The average percent reduction in aflatoxin B1 concentration in naturally contaminated maize fields was 92.3%, without significant differences in fumonisins between treated and control maize. The vegetative compatibility group of A2085 was the most frequently recovered A. flavus in both treated and control plots (average 61.9% and 53.5% of the A. flavus, respectively). A2085 was therefore selected as an active ingredient for biocontrol products and deposited under provisions of the Budapest Treaty in the Belgian Co-Ordinated Collections of Micro-Organisms (BCCM/MUCL) collection (accession MUCL54911). Further work on development of A2085 as a tool for preventing aflatoxin contamination in maize produced in Italy is ongoing with the commercial product named AF-X1™.
    http://dx.doi.org/10.3390/toxins10010030
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/3204
    Non-IITA Authors ORCID
    Antonio Maurohttps://orcid.org/0000-0001-6730-8972
    Digital Object Identifier (DOI)
    http://dx.doi.org/10.3390/toxins10010030
    Research Themes
    PLANT PRODUCTION & HEALTH
    IITA Subjects
    Aflatoxin; Maize; Pests Of Plants; Plant Health; Plant Production
    Agrovoc Terms
    Biopesticides; Biocontrol; Mycotoxins; Fumonisins; Maize; Aflatoxins; Europe; Vcg; Ssr
    Regions
    Acp; Europe
    Countries
    Italy
    Journals
    Toxins
    Collections
    • Journal and Journal Articles4839
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