Dothistroma Needle Blight

Dothistroma needle blight is especially common on Austrian pines.

Diplodia Tip Blight and Canker

Diplodia tip blight is caused by the fungus Sphaeropsis sapinea.

Black Knot

This disease is caused by the fungus Apiosporina morbosa and typically affects both wild and cultivated cherry, chokecherry, and plum species. Black cherry and pin cherry are not susceptible to black knot.