How to Identify Common Tree Diseases

Identify common tree diseases by using a seasonal checklist. Inspect late winter bark for cankers, cracks, and sap bleed. In spring, check uniform budbreak and leaf spots, blotches, or angular water-soaked lesions. Monitor summer wilting, dieback, thinning foliage, and premature fruit drop. Note mushrooms at the root flare, shelf-like conks on trunks, and powdery coatings […]