Black Knot Fungus
Welcome Back to the LaRueTree Certified Arborists Blog! This time, I've decided to write about a fungal infection of trees in Edmonton, Vegreville, and all of the prairie provinces. This disease is not an introduced species, but a native fungus that has taken a stronghold on our urban and native tree population. Driving around any prairie town or city, you might notice clumps of dark tissue on the branches and trunks of our ornamental cherry species; Mayday Cherry (Prunus pad
