SDIS Datenbank 2014
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A searchpage to identify pests/diseases/disorders on wooden plants

SD 2014

Beech canker - Neonectria ditissima


Symptoms / species
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Beeches with parts of the crown showing yellow, later brown leaves, finally twigs and even branches may die off. Commonly irregular branching and growth anomalies appear. In detail: on the base of twigs with yellow leaves at first flat, dark brown to blackish discolored bark areas, later on cracking open;as a result of callusing the cankers swell and the part of the twig becomes deformed; finally the wood is exposed, surrounded by callus. In the cankers, tiny red, ball-shaped fruiting bodies appear in small groups.
Affected tree speciesBeech;
Affected partsShoot/Twig/Branch;

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