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    Atoxigenic-based technology for biocontrol of aflatoxin in maize and groundnuts for Tanzania

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    Journal Article (774.3Kb)
    Date
    2022
    Author
    Mahuku, G.
    Mauro, A.
    Pallangyo, B.
    Nsami, E.
    Boni, S.
    Koyano, E.
    Mponda, O.
    Ortega-Beltran, A.
    Atehnkeng, J.
    Aquiline, F.
    Samuel, R.
    Njela, J.
    Cotty, P.
    Bandyopadhyay, R.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
    Show full item record
    Abstract/Description
    Application of biocontrol products containing atoxigenic isolates of Aspergillus flavus to reduce aflatoxin content in crops is an effective strategy for managing aflatoxin in several regions throughout the world. We report the development and validation of two aflatoxin biocontrol products, Aflasafe TZ01 and Aflasafe TZ02, for use in maize and groundnut in Tanzania, a country frequently affected by aflatoxin contamination. Each product contains four atoxigenic A. flavus genotypes native and widely distributed in Tanzania. Efficacy tests on maize and groundnut were conducted over two years and in four regions of Tanzania where aflatoxin contamination is prevalent. Application of both products significantly (P<0.05) reduced aflatoxin levels in maize and groundnut in both years and in all districts. No differences were observed in total Aspergillus section Flavi population in treated and untreated fields, revealing that application of the biocontrol products do not alter overall Aspergillus populations in the environment. The results indicate that both products are effective tools for aflatoxin mitigation in groundnut and maize. The products were officially registered in 2018. Currently, there are scale-out and-up efforts of aflatoxin biocontrol products in Tanzania through a private sector company that is making the products available to farmers. Protecting maize and groundnut from aflatoxin contamination in Tanzania can result in health, income, and trade benefits.
    https://dx.doi.org/10.3920/wmj2021.2758
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7740
    IITA Authors ORCID
    George Mahukuhttps://orcid.org/0000-0001-8444-8651
    Antonio Maurohttps://orcid.org/0000-0001-6730-8972
    Alejandro Ortega-Beltranhttps://orcid.org/0000-0003-3747-8094
    Ranajit Bandyopadhyayhttps://orcid.org/0000-0003-2422-4298
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.3920/wmj2021.2758
    Research Themes
    Plant Production and Health
    IITA Subjects
    Aflatoxin; Agronomy; Disease Control; Food Security; Maize; Plant Breeding; Plant Diseases; Plant Health; Plant Production
    Agrovoc Terms
    Maize; Aspergillus Flavus; Aflatoxins; Biological Control; Fungi
    Regions
    Africa; East Africa
    Countries
    Tanzania
    Hubs
    Eastern Africa Hub; Headquarters and Western Africa Hub
    Journals
    World Mycotoxin Journal
    Collections
    • Journal and Journal Articles4835
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