Mitigation of aflatoxin contamination of maize, groundnut, and sorghum by commercial biocontrol products in farmers’ fields across Burkina Faso, Mali, Niger, and Togo

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dc.creatorBonkoungou, S.
dc.creatorDagno, K.
dc.creatorBasso, A.
dc.creatorEkanao, T.
dc.creatorAtehnkeng, J.
dc.creatorAgbetiameh, D.
dc.creatorNeya, A.
dc.creatorToure, M.
dc.creatorTiendrebeogo, A.
dc.creatorKonate, M.
dc.creatorOutani, B.
dc.creatorKonlambigue, M.
dc.creatorCallicott, K.
dc.creatorCotty, P.
dc.creatorDieng, I.
dc.creatorFalade, T.D.O.
dc.creatorBandyopadhyay, R.
dc.creatorOrtega-Beltran, A.
dc.date2024
dc.date2025-01-13T10:40:44Z
dc.date2025-01-13T10:40:44Z
dc.date.accessioned2026-06-27T16:09:41Z
dc.descriptionBackground Aflatoxin contamination by Aspergillus section Flavi fungi poses a significant threat to food security and public health in sub-Saharan Africa (SSA). Maize, groundnut, and sorghum are staple crops frequently contaminated with aflatoxins, sometimes at dangerous levels. Despite its detrimental effects, many farmers in SSA lack access to effective tools for mitigating aflatoxin contamination. Biocontrol based on atoxigenic isolates of A. flavus is an effective tool to limit aflatoxin contamination. Methods The development, testing, registration, and commercial use of the aflatoxin biocontrol product Aflasafe BF01 for use in Burkina Faso is described. In addition, the deployment of the biocontrol technology across Mali, Niger, and Togo is documented, and for the first time, the use of aflatoxin biocontrol in sorghum is reported. Results In all four countries, treated crops had significantly (P < 0.05) less aflatoxins than crops from untreated fields. Most treated crops met the stringent tolerance threshold for human consumption, 4 ppb total aflatoxin. Using native atoxigenic isolates of A. flavus and employing a multi-disciplinary approach, aflatoxin biocontrol products have demonstrated significant success in reducing aflatoxin levels in treated crops compared to untreated ones. Conclusions This multi-year, multi-funded source study underscores the effectiveness of biocontrol strategies in mitigating aflatoxin contamination at scale, offering a regional approach for sustainable management in West Africa and potentially unlocking significant health and economic benefits for the region.
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dc.identifierhttps://hdl.handle.net/10568/168895
dc.identifier.urihttp://hdl.handle.net/123456789/124187
dc.languageen
dc.publisherCAB International
dc.rightsOpen Access
dc.sourceBonkoungou, S., Dagno, K., Basso, A., Ekanao, T., Atehnkeng, J., Agbetiameh, D., ... & Ortega-Beltran, A. (2024). Mitigation of aflatoxin contamination of maize, groundnut, and sorghum by commercial biocontrol products in farmers’ fields across Burkina Faso, Mali, Niger, and Togo. CABI Agriculture and Bioscience, 5(1): 106, 1-21.
dc.subjectaflatoxins
dc.subjectbiological control
dc.subjectwest africa
dc.subjectsmallholder farmers
dc.subjectgrain legumes
dc.titleMitigation of aflatoxin contamination of maize, groundnut, and sorghum by commercial biocontrol products in farmers’ fields across Burkina Faso, Mali, Niger, and Togo
dc.typeJournal Article

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Instituto Internacional de Agricultura Tropical (IITA)