Cucurbit downy mildew has been confirmed in Norfolk County. This is the first report in Ontario for 2024. Cucumber and cantaloupe growers should switch to downy mildew targeted fungicides for the rest of the season.
The following article, originally posted in 2022, outlines information on downy mildew identification, scouting and fungicide selection.
Cucurbit downy mildew – get out and scout!
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