Initial symptoms of oak wilt appear in the upper canopy of the tree. Wilting (drought-like) leaves turn yellow and then brown. Photo courtesy of University of Minnesota Plant Pathology Department.
Wilting leaves with yellow margins. The veins may remain green for a longer period of time.
Photo courtesy of University of Minnesota Plant Disease Clinic.
Oak wilt symptoms may mimic drought stress.
Photo courtesy of University of Minnesota Plant Pathology Department.
Next |
Back to Diseases of Deciduous Trees or Oak Wilt
(C) Regents of the University of
Minnesota. All rights reserved. |