Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 65, Issue 33, Pages 7081-7087Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.7b01452
Keywords
aflatoxins; Aspergillus flavus; biocontrol; maize; peanuts; cottonseed; tree nuts
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Aflatoxin contamination has a major economic impact on crop production in the southern United States. Reduction of aflatoxin contamination in harvested crops has been achieved by applying nonaflatoxigenic biocontrol Aspergillus flavus strains that can out-compete wild aflatoxigenic A. flavus, reducing their numbers at the site of application. Currently,. the standard method for applying biocontrol A. flavus strains to soil is using. nutrient-supplying carrier (e:g.,pearled barley for AfiaGuard). Granules of Bioplastic (partially acetylated corn starch) have been investigated as an alternative nutritive carrier for biocontrol agents. Bioplastic granules have also been used to,prepare a sprayable biocontrol' formulation that gives,effective reduction of aflatoxin contamination in harvested corn kernels,With application. of much smaller amounts to leaves later in the growing season. The ultimate goal of biocontrol research is to produce biocontrol systems that can be applied to crops only when long-range weather forecasting indicates they will be needed.
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