In field plot experiments, an atoxigenic strain of Aspergillus flavus interfered with preharvest aflatoxin contamination of corn when applied either simultaneously with or one day prior to a toxigenic strain. The atoxigenic strain reduced preharvest aflatoxin contamination 80 to 95%. The atoxigenic strain was also effective in reducing postharvest aflatoxin contamination caused by both an introduced toxigenic strain and by strains resident on the kernels. The results suggest that atoxigenic strains of A. flavus may have potential use as biological control agents directed at reducing both preharvest and postharvest aflatoxin contamination of corn.
Reduction in Aflatoxin Content of Maize by Atoxigenic Strains of Aspergillus flavus
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ROBERT L. BROWN, PETER J. COTTY, THOMAS E. CLEVELAND; Reduction in Aflatoxin Content of Maize by Atoxigenic Strains of Aspergillus flavus. J Food Prot 1 August 1991; 54 (8): 623–626. doi: https://doi.org/10.4315/0362-028X-54.8.623
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