Armillaria Root Rot
(Armillaria spp.)
Carpenterworm
(Prionoxystus robiniae)
Drought
Frost Crack
Herbicide Damage
Improper Mulching
Improper Planting
Improper Pruning
Leaf Scorch
Leafy Mistletoe
(Phoradendron tomentosum)
Lightning Damage
Locust Leafminer
(Odontota dorsalis)
Mechanical Damage
Nutrient Deficiency
Overwatering
Powdery Mildew
(Oidium sp.)
Soil Compaction
Structural Root Rot
(Ganoderma sp.)
Underwatering