ELM TREES    DISEASES OF STEMS/BRANCHES/TRUNK


BRANCH OR TRUNK SWELLINGS
(Occurs occasionally)
Woody galls on branches or trunk.

Photo by Chad J. Behrendt
DISCOLORATION OF INNER WOOD
(Occurs frequently)
Inner wood of branches or trunk is stained brown.

Photo by Chad J. Behrendt
DISCOLORATION OF BARK
(Occurs frequently)
Bleached streaks or columns running down the bark of the branches and trunk.

Photo by Plant Disease Clinic
DIEBACK OR DROUGHT-LIKE SYMPTOMS
(Occurs frequently)
Wilting or dieback of individual branches in the crown.

Photo by Robert Blanchette
OTHER CAUSES
Other symptoms caused by chemical, animal, or environmental factors.

Photo by Chad J. Behrendt



Elm 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
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