CAHNRS > Department of Plant Pathology > Potato, Mint, and Asparagus Diseases

Potato, Mint, and Asparagus Diseases

Plant stem with plant disease on it.
Dr. Dennis A. Johnson

Dr. Dennis A. Johnson

Department of Plant Pathology
Washington State University
PO Box 646430
Pullman, WA 99164-6430

509-335- 3753 • dajohn@wsu.edu

Potato Information Line

800-984-7400