Abstract
Biological control is one of the recommended methods for aflatoxin mitigation. Biocontrol products must be developed, and their efficacy demonstrated before widespread use. Efficacy of two aflatoxin biocontrol products, Aflasafe GH01 and Aflasafe GH02, were evaluated in 800 maize and groundnut farmers’ fields during 2015 and 2016 in the Ashanti, Brong Ahafo, Northern, Upper East, and Upper West regions of Ghana. Both products were developed after an extensive examination of fungi associated with maize and groundnut in Ghana. Each product contains as active ingredient fungi four Aspergillus flavus isolates belonging to atoxigenic African Aspergillus Vegetative Compatibility Groups (AAVs) widely distributed across Ghana. An untreated field was maintained for each treated field to determine product efficacy. Proportions of atoxigenic AAVs composing each product were assessed in soils before product application, and soils and grains at harvest. Significant ( P < 0.05) displacement of toxigenic fungi occurred in both crops during both years, in all five regions. Biocontrol-treated crops consistently had significantly ( P < 0.05) less aflatoxins (range = 76% to 100% less; average = 99% less) than untreated crops. Results indicate that both biocontrol products are highly efficient, cost-effective, environmentally safe tools for aflatoxin mitigation. Most crops from treated fields could have been sold in both local and international food and feed premium markets. Adoption and use of biocontrol products have the potential to improve the health of Ghanaians, and both income and trade opportunities of farmers, aggregators, distributors, and traders.
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Claims 3
Claim · model-written summary
Biocontrol products displaced toxigenic fungi in both crops across both years and five regions.
- Taxon
- maize and groundnut
Arachis hypogaea
Zea mayst0 - Treatment
- Aflasafe GH01 and Aflasafe GH02e1
- Interactor
- toxigenic fungie0pathogen
- Outcome
- displacement of toxigenic fungie0
- Direction
- displacemente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant ( P < 0.05) displacement of toxigenic fungi occurred in both crops during both years, in all five regions.”
t0“maize and groundnut”
e1“Aflasafe GH01 and Aflasafe GH02”
Claim · model-written summary
Biocontrol-treated crops had 76% to 100% less aflatoxins than untreated crops.
- Taxon
- maize and groundnutArachis hypogaeaZea mayst0
- Treatment
- Biocontrol-treated cropse0
- Outcome
- aflatoxinse0
- Direction
- lesse0
- Value
- 76% to 100% lesse0
- Qualifier
- average = 99% lesse0
- Comparator
- untreated cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Biocontrol-treated crops consistently had significantly ( P < 0.05) less aflatoxins (range = 76% to 100% less; average = 99% less) than untreated crops.”
t0“maize and groundnut”
Claim · model-written summary
Both products were assessed as highly efficient tools for aflatoxin mitigation.
- Taxon
- maize and groundnutArachis hypogaeaZea mayst0
- Outcome
- highly efficient, cost-effective, environmentally safe tools for aflatoxin mitigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicate that both biocontrol products are highly efficient, cost-effective, environmentally safe tools for aflatoxin mitigation.”
t0“maize and groundnut”
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