sycamore anthracnose

Sycamore Anthracnose Symptoms Fade chatfield.1 Thu, 06/29/2017 - 16:59

  This morning I got a message from Frank Leon, horticulturist with Barnes Nursery, complete with the above image showing the thinning of sycamore (American planetree; Platanus occidentalis), a common sight seen in northwest Ohio this Spring. The problem is sycamore anthracnose, caused by the fungus Apiognomonia veneta.

 

 

  This particular anthracnose fungus occurs on planetrees, including our native sycamore, but less so on Platanus orientalis and the hybrid between these two planetrees, Londone planetree (PlatanusX acerifolia...

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Jim Chatfield
Sycamore Anthracnose chatfield.1 Thu, 05/26/2016 - 10:18

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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Jim Chatfield
Joe Boggs