Podosphaera macularis

    Alternative names
    Hop Powdery Mildew
    Sphaerotheca macularis

    The powdery mildew Podosphaera macularis, an important disease organism affecting hops and strawberry plants amongst others. The symptoms are characterised by the formation of numerous limited white mycelial patches especially on the leaves.

    Identification difficulty

    Where the host plants occur.

    When to see it

    When the host plants are in leaf.

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    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

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