Anthracnose

Sycamore and Ash Anthracnose

Symptoms of two host-specific fungal anthracnose diseases are becoming apparent in southwest Ohio.  Ash anthracnose was announced by the appearance of irregularly shaped reddish-brown, blotchy spots along the edges of the leaflets.  The leaf necrosis often causes the leaflets to curl and severe infections may lead to defoliation.
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Authors
Joe Boggs

More Anthracnose

Last week, we reported that leaf and stem symptoms of the fungal disease known as sycamore anthracnose were becoming evident on the namesake host in many areas of Ohio.  This week, we're adding ash, oak, and beech to the list of foliar anthracnose diseases appearing in the southwest part of the state.  It's important to keep in mind that the anthracnose diseases affecting sycamore, ash, oak, and beech are each produced by a different host-specific fungus.  The fungus that produces anthracnose on sycamore does not infect ash, oak, or beech and vice versa; the fungus responsible for ash...

Published on
Authors
Joe Boggs