Epidemic Updates for July 5 – July 9, 2023
Ontario cucumber crop
CDM reported in Ontario – July 4th, 2023
Cucurbit downy mildew has been identified in a cucumber field in Kent County. Disease presence is very low with less than one percent of the plants exhibiting lesions at this time. The field has been treated with preventative fungicides. This is the first report of cucurbit downy mildew in Ontario for the 2023 growing season.