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      • Brassicaceae (cruciferous) weeds
      • Broccoli
      • Cabbage
      • Cauliflower
      • Radish
    • Carrot
    • Coriander/cilantro
    • Cucurbits
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      • Pumpkin
      • Squash
      • Watermelon
    • Eggplant
    • Garlic
    • Lettuce
    • Onion/Allium
    • Pea
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    • Tomato
    • Common diseases, pests and problems
  • Pest Management Publications
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Extension Network Sites > Pacific Northwest Vegetable Extension Group > Cucumber downy mildew

Cucumber downy mildew

cucumber-downy-mildew symptoms-1

Angular, chlorotic lesions on the upper surface of cucumber leaves infected with downy mildew. Note also the light gray downy mildew sporulation on the immature cucumber fruit to the right.
Photo Source: Lindsey du Toit, Washington State University

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WSU Mount Vernon NWREC,  16650 State Route 536,  Mount Vernon,  WA,  98273,  360-848-6140   dutoit@wsu.edu
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