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Pictured is the canker disease of chestnut produced by the fungus <I>Cryphonectria parasitica</I> (formerly <I>Endothia parasitica</I>). The conidial tendrils are produced from the numerous ruptures shown in the bark.

Chestnut with Canker Disease

Pictured is the canker disease of chestnut produced by the fungus Cryphonectria parasitica (formerly…