Maple, Oak and Ash leaves are showing symptoms of blight. A group of fungal diseases called 'Anthracnose' are causing these dramatic leaf symptoms.
Staff from the University of Illinois Plant Clinic discuss current pest and plant-disease problems affecting field crops, horticultural crops and greenspaces, as well as home landscapes and gardens.
Plant Diagnostic Clinic and IPM coordinator
Visiting Plant Diagnostic Outreach Specialist - Crop Sciences