Center of spots may fall out. In wet springs and falls, irregular blotches on leaves. May vary widely in color. Blighting phase of maple anthracnose. See leaf scorch in General Problems table.
Trees decline in vigor over several seasons.
Foliage is thin and weak. Leaves turn yellow, wither and fall early. Early fall color. Symptoms produced by inability of root system to supply enough water and nutrients to support above-ground parts. Remove all dead and dying branches.