DON a growing economic threat

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Grain buyers are increasingly on the lookout for deoxynivalenol (DON), and producers need to take steps to “keep Canada’s markets open for all,” says Cereals Canada.

“Domestic processors and export customers are increasingly testing shipments for mycotoxins,” said spokesperson Brenna Mahoney. “Shipments that exceed acceptable levels of DON could be rejected, which is a tremendous cost to the industry and may impact Canada’s reputation.”

Along with planting varieties resistant to fusarium head blight (which causes DON, aka vomitoxin) and using seed treatment in high-risk areas, producers should use fungicide when there is an elevated risk of FHB, she said.

For a full list of best management practices, go to

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