Beech Bark Canker

Canker Diseases - Hardwoods

Beech Bark Disease

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Cankered areas on beech caused by Neonectria (old name Nectria) coccinia var. vaginata. The small white flecks are the beech scale insect. Sporodochia and perithecia are produced on the cankered areas (not seen in this photo).

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Beech scale insects on bark.