Cucurbit Downy Mildew has been identified in a cucumber field in Chatham-Kent, Ontario. Levels were very low (< 1% of the field). The infection likely occurred within the past few days. However, this does indicate that all area cucumber and melon fields are at a high risk of developing downy mildew at this time.
Continue to use a preventative fungicide program, rotating between the targeted downy mildew fungicides. For more information on fungicide selection, see the Downy Mildew Report – July 11, 2014.
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