Canker Diseases - Hardwoods
Young cankers caused by Cryphonectria parasitica on American chestnut.
Large canker on main stem of chestnut caused by Cryphonectria.
Red perithecia of Cryphonectria parasitica.
Pycnidia with spore tendril (cirrus). Asexual spores are produced by the pycidium during wet weather.
The wood of chestnut has great characteristics and color and was widely used for many purposes. This vase was made from a 150+ year old fence post used at a homestead in West Virgina. Chestnut wood is decay resistant as this fence post shows. Wood workers take these old fence posts and make interesting items that are treasured by people who want to have a remembrance of chestnut history.