London planetree

A Winter Diagnostic Challenge

Diagnosing tree pest problems can be challenging especially in the middle of winter when pests and trees are not actively growing. However, if one takes their time and follows the proper steps of plant pest diagnoses, one can still reach an appropriate answer...it just takes a little more time.
Published on
Authors
Curtis E. Young

Sycamore Anthracnose

Enquiring eyes throughout Ohio are noticing sparse foliation on sycamores (American planetree) and to a lesser extent London planetree hybrids this Spring. Not to worry, the culprit is almost assuredly sycamore anthracnose disease.  This fungal disease occurs every year, but is enhanced when there are cool, wet conditions during leaf emergence, conditions which were common throughout Ohio this year. If history is to be any guide, these planetrees will recover well, putting out new leaves which will make us forget how they look now by late June.

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Published on
Authors
Jim Chatfield
Joe Boggs