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    Farming & Crop Protection Powdery mildew (beet)

    Powdery mildew (beet) [Erysiphe betae]


    Powdery mildew (sugar beet) - image 1

    Powdery mildew (sugar beet) - image 1

    Pest Profile

    • Symptoms & Diagnosis


      Infection is particularly severe during dry years. In leafy beet species.

      Pattern of damage

      From July to the beginning of the sugar beet harvest, leaves show white-gray coating (Picture 1), in situations of severe infestation leaves change color from faint-yellow and brown discoloration. Leaves may eventually wither and dry-up.