Honeylocust Cankers
Author: Nancy Pataky
September 30, 2008
The major disease problems on honeylocust include root collar rot and stem or trunk cankers. Cankers are visible now as dead areas on the stems and trunk. Look for sunken, dead areas on the stems. Often these areas are a different color than the rest of the branch. They may be bumpy where fruiting bodies of a fungus break through the bark. When a branch is girdled by a canker, dieback occurs. Sparse foliage, yellow leaves, and premature leaf drop often help pinpoint the cankered areas.
College of Agriculture, Consumer, and Environmental Sciences
University of Illinois, Urbana-Champaign
Illinois Natural History Survey
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