Birch – Powdery Mildew

Microsphaera sp. Birch – Powdery Mildew Signs & Symptoms

: Affected leaves

: Chasmothecia on leaves

: Chasmothecia on leaves

: Chasmothecia on leaves

Birch – Powdery Mildew Pathogen

: Chasmothecium

: Chasmothecium releasing ascospores

: Chasmothecial appendages

: Chasmothecial appendage

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