Cucurbit downy mildew was confirmed on cucumber in Caroline County, Maryland on the Eastern Shore on 6/27. This is the first report of cucurbit downy mildew in the mid-Atlantic region this growing season. All cucurbit growers should scout their fields on a regular basis and initiate a protectant fungicide program. Cucumber growers should include downy mildew-specific fungicide(s) in their weekly applications. For more control information on the control of cucurbit downy mildew please see the 2016 Mid-Atlantic Commercial Vegetable Production Recommendations Guide.
June 29, 2016