Apple Scab
Symptoms of apple scab on a crabapple tree.
Description: Fungal disease infecting leaves which causes stress and early leaf drop.
Trees Affected: Crabapple, Apple
What to look for: Yellowing leaves, black lesions, early leaf drop, reduced growth, thinning crown
Treatment Options: Preventive fungicide applications. Install disease-resistant varieties. Rake up diseased leaves. Watering, mulch, fertilization to restore health.