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Verticillium Wilt of canola detected in Manitoba

Manitoba Agriculture, Food and Rural Development (MAFRD) has identified Verticillium wilt (Verticillium longisporum) in canola (Brassica napus) in Manitoba. This is the first time this disease has been detected in Canada.
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Symptoms of Verticillium wilt in canola as plant fully ripens (photo courtesy of MAFRD)

The disease was visually identified by the MAFRD Crop Diagnostic Centre on a canola sample submitted because patches of wilted canola were observed in a field. The pathogen culture was sent to the National Fungal Identification Service in Ottawa for molecular identification, which confirmed it as Verticillium longisporum.  MAFRD is working with the Canadian Food Inspection Agency (CFIA) to implement biosecurity risk mitigation measures where this pest was detected. The CFIA will conduct further surveying in spring 2015 to determine the spread of the pathogen.
For more information on:
  • Facts about Verticillium Wilt in Canola
  • Management of Verticillium Wilt in Canola
  • Symptoms of Verticillium Wilt in Canola at Harvest

visit MAFRD’s website at: http://www.gov.mb.ca/agriculture/crops/plant-diseases/verticillium-wilt-of-canola-detected-in-manitoba.html

A factsheet on Verticillium wilt in canola containing information on biology, symptoms of damage, scouting techniques, and control tips is also available on MAFRD’s website at http://www.gov.mb.ca/agriculture/crops/plant-diseases/verticillium-wilt-of-canola-factsheet.html

For more information, please contact MAFRD’s Crop Knowledge Centre at 204-745-5660

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