Mountain Ash Disorder: Sunscald-Fungal Canker Complex

SKU A2517

Author(s) M. F. Heimann, G. L. Worf.

Physical damage to the trunk—caused by sunscald or even lawn mower damage—opens the way for a fungal infection known as sunscald-fungal canker complex that is probably the most common cause of early kill of mountain ash in Wisconsin. Use this fact sheet to learn how to spot, prevent, and control this disorder in your mountain ash trees (2 pages; 1997).