OAK     DISEASES OF BRANCHES/TRUNK

	DIEBACK IN THE UPPER CROWN (Occurs frequently) Wilting or browning of leaves and dieback of branches in the upper crown. Photo by Department of Plant Pathology
	SMOOTH PATCHES OF BARK (Occurs frequently) Rough bark falls off, leaving smooth depressed areas on the tree. Photo by Department of Plant Pathology
	OTHER CAUSES Other symptoms caused by chemical, animal, or environmental factors. Photo by Chad J. Behrendt

Oak Diseases

Plant Disease Diagnostics
University of Minnesota, Yard and Garden Clinic
Developed (1999) and maintained by
Chad J. Behrendt, Ph.D. and Crystal M. Floyd

For plant disease questions contact the Yard and Garden Line Content Last Updated 09/07/00 View University of Minnesota Disclaimer