Disease Featured Late Blight Tomatoes

Late blight update: Phytopththora infestans detected in Chatham-Kent

Joseph Tomecek (Tomecek Agronomic Services/M.Sc. candidate, Dept. of Plant Agriculture, Univ. of Guelph); Amanda Tracey (OMAFRA), Dr. Cheryl Trueman (Ridgetown Campus, Univ. of Guelph)

Since June 6 of this year, a project has been underway to assess Spornado and rotorod devices for the capture of Phytophthora infestans. Low levels of Phytophthora infestans DNA were detected at one of the eight locations setup across the municipality of Chatham-Kent on August 25 and again on August 29.  

For more information on this project, see our previous article posted on June 24.

If you suspect late blight in your tomato (or potato) crop, please reach out to Amanda Tracey (Amanda.tracey@ontario.ca, 519-350-7134) or Cheryl Trueman (ctrueman@uoguelph.ca, 226-971-0654) to confirm diagnosis.

Late blight was confirmed in eastern Ontario (Ottawa County) in late July this year.

Project collaborators: Yaima Arocha Rosete and Kristine White (Sporometrics), Hervé van der Heyden (Phytodata), and Genevieve Marchand (AAFC).

Funding acknowledgement: Ontario Tomato Research Institute, Fresh Vegetable Growers of Ontario, and the Ontario Agri-Food Innovation Alliance.


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