Powdery mildew (Podosphaera aucupariae -fungus) symptoms on rowan tree (Sorbus aucuparia).

Powdery mildew (Podosphaera aucupariae -fungus) symptoms on rowan tree (Sorbus aucuparia).
Powdery mildew (Podosphaera aucupariae -fungus) symptoms on rowan tree (Sorbus aucuparia).

Powdery mildew (Podosphaera aucupariae -fungus) symptoms on rowan tree (Sorbus aucuparia).

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Wed, 24 Jan 2018 07:49:08