Prolonged periods of standing water create anaerobic conditions,
causing decline and possibly death of the tree. Leaves may
yellow, brown, or drop prematurely. Individual branches may die back.
Photo by Dave McDonald

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