2nd case of cucurbit downy mildew reported in cucumber in NJ.

Cucurbit downy mildew has been reported in cucumber near Bridgeton, NJ. This is the second case of cucurbit downy mildew reported in the state. All commercial cucurbit growers should include a downy mildew specific fungicide(s) in their weekly fungicide program. For more information on controlling cucurbit downy mildew please see the 2011 Commercial Vegetable Recommendations.

Homeowners who have cucurbits (pumpkin, squash, melon, cucumber, watermelon, gourd) in their garden and suspect cucurbit downy mildew (see photo from 6/24) should apply a fungicide that contains the active ingredient, chlorothalonil, on a weekly basis and as long as symptoms appear. Thorough coverage of the underside of leaves is critical for controlling downy mildew.