Disease	Symptoms	Pathogen/Cause	Management
Leaf Blotch	Small irregular, reddish-brown spots with yellow halos form in late June or early July. Most infected leaves brown and fall prematurely. Tiny black fruiting structures are found in the dead areas.	Guignardia aesculi	Apply Dithane*, Protect T/O, or Path Guard* to protect the foliage of highly valuable trees. Trees not highly valued should not be treated.

*Trade name