Source: NCSU COOPERATIVE EXTENSION, 7/29/21


Cucumber downy mildew (CDM) has been confirmed on cucumber plant samples from a commercial grower in Haywood County, NC. Approximately 75-100% of plants were affected. Leaves showed symptoms typical of CDM: angular, chlorotic or yellow lesions on the upper surface of the leaves with gray to black spores on the underside of the leaf.

Growers in western NC are advised to implement management strategies. Effective fungicides can be found in the Southeastern US Vegetable Crop Handbook. More information can be found on the cucurbit downy mildew disease fact sheet.

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