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    Can it be all more simple? Manufacturing aflatoxin biocontrol products using dry spores of atoxigenic isolates of Aspergillus flavus as active ingredients

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    Journal Article (781.9Kb)
    Date
    2021
    Author
    Ortega-Beltran, A.
    Kaptoge, L.
    Senghor, A.L.
    Aikore, M.O.S.
    Jarju, P.
    Momanyi, H.
    Konlambigue, M.
    Falade, T.D.O.
    Bandyopadhyay, R.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
    Show full item record
    Abstract/Description
    Aflatoxin contamination of staple crops, commonly occurring in warm areas, negatively impacts human and animal health, and hampers trade and economic development. The fungus Aspergillus flavus is the major aflatoxin producer. However, not all A. flavus genotypes produce aflatoxins. Effective aflatoxin control is achieved using biocontrol products containing spores of atoxigenic A. flavus. In Africa, various biocontrol products under the tradename Aflasafe are available. Private and public sector licensees manufacture Aflasafe using spores freshly produced in laboratories adjacent to their factories. BAMTAARE, the licensee in Senegal, had difficulties to obtain laboratory equipment during its first year of production. To overcome this, a process was developed in Ibadan, Nigeria, for producing high-quality dry spores. Viability and stability of the dry spores were tested and conformed to set standards. In 2019, BAMTAARE manufactured Aflasafe SN01 using dry spores produced in Ibadan and sent via courier and 19 000 ha of groundnut and maize in Senegal and The Gambia were treated. Biocontrol manufactured with dry spores was as effective as biocontrol manufactured with freshly produced spores. Treated crops contained safe and significantly (P < 0.05) less aflatoxin than untreated crops. The dry spore innovation will make biocontrol manufacturing cost-efficient in several African countries.
    https://dx.doi.org/10.1111/1751-7915.13802
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7266
    IITA Authors ORCID
    Alejandro Ortega-Beltranhttps://orcid.org/0000-0003-3747-8094
    Titilayo Faladehttps://orcid.org/0000-0001-5562-7861
    Ranajit Bandyopadhyayhttps://orcid.org/0000-0003-2422-4298
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1111/1751-7915.13802
    Research Themes
    Plant Production and Health; Social Science and Agribusiness
    IITA Subjects
    Aflatoxin; Agribusiness; Agronomy; Disease Control; Food Security; Maize; Plant Breeding; Plant Diseases; Plant Health; Plant Production
    Agrovoc Terms
    Aflatoxins; Aspergillus Flavus; Biological Control; Maize; West Africa; Groundnuts
    Regions
    Africa; West Africa
    Countries
    Nigeria; The Gambia
    Hubs
    Headquarters and Western Africa Hub
    Journals
    Microbial Biotechnology
    Collections
    • Journal and Journal Articles4842
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