Duluth News Tribune: Cankers on cherry trees may be black knot fungus
If you have cherry or plum trees, now's a good time to check for a disease called black knot fungus. The fungus can go unnoticed with summer foliage but is apparent when trees are winter-bare. Also ...
Chokecherries, North Dakota's new state fruit, are under attack from an ugly black lump. The black knot fungus is "the scourge of chokecherries. It's really bad," said Ron Smith, North Dakota State ...
A common fungal disease of cherry and plum trees is widespread in Greater Columbus, likely worsened by the abnormally wet conditions experienced locally both this spring and last spring. Black knot, ...
Duluth News Tribune: Northland Nature: Black knot a common sight on cherry trees
Recently my wife and I were walking in the woods when I spotted a rotting birch tree. All over the decaying trunk were clusters of a gnarly black growth, which I quickly recognized as chaga (Inonotus ...