Downy mildew is affecting cucumber, melon, pumpkin, squash in WNY

You can see the rectangular checkerboarding that stays within the boundaries of veins on leaves affected by cucurbit downy mildew (CDM). These photos were taken under 10x magnification using a hand lens held up to a smart phone. Photo courtesy Cornell Vegetable Specialist Elizabeth Buck by Connie Oswald Stofko If you’re having trouble with your cucumber, melon, pumpkin or squash this year, you’re not alone. A disease called cucurbit downy mildew (CDM) has already been identified in Erie, Niagara, Orleans,…

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