Podosphaera leucotricha

    Alternative names
    Apple Powdery Mildew

    Podosphaera leucotricha is a mildew which affects the leaves and stems of woody Rosaceae species such as Apple (Malus sp.), producing a powdery, white coating. Infected leaves often become disfigured.

    Identification difficulty
    Recording advice

    Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.


    Where apple or other host trees occur.

    When to see it

    Apple Powdery Mildew emerges in the spring. Primary infections begin when the fungus which infected the plant in the previous year breaks its dormancy and resumes its growth.

    UK Status

    Widespread in Britain.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map