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Inspection agency finds four more fields with potato wart in P.E.I., completes probe

OTTAWA — Canada's food inspection agency says it has completed its investigation into the cases of potato wart in Prince Edward Island that halted exports to the United States.
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The Canadian Food Inspection Agency says it has completed its investigation of two detections of potato wart in 2021, in Prince Edward Island. Loads of PEI potatoes wait to be loaded and shipped across Canada to local food banks in Toronto on Friday, March 11, 2022. THE CANADIAN PRESS/Nathan Denette

OTTAWA — Canada's food inspection agency says it has completed its investigation into the cases of potato wart in Prince Edward Island that halted exports to the United States.

The regulatory agency says its probe found the fungus in four fields, in addition to the two affected fields identified in 2021 that triggered the trade disruption with the Island's primary export market. 

The agency says it's not unusual that it found additional cases of potato wart given that it analyzed nearly 50,000 soil samples from fields in the province.

Canada stopped sending the Island's best-known export to the U.S. on Nov. 21, 2021, after the disease that disfigures potatoes had been detected on the Island. 

Shipments resumed in April after the U.S. Department of Agriculture gave the all-clear, but not before the disruption cost the Island's potato industry more than $50 million in revenue.

Potato wart is a persistent soil-borne fungus that when left unmanaged can cause field losses of between 50 per cent and 100 per cent.

This report by The Canadian Press was first published Aug. 18, 2023.

The Canadian Press

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