Armillaria Root Rot
(Armillaria spp.)
Botryosphaeria Canker
(Botryosphaeria spp)
Carpenterworm
(Prionoxystus robiniae)
Drought
Dutch Elm Disease
(Ophiostoma novo ulmi)
Fall Webworm
(Hyphantria cunea)
Frost Crack
Herbicide Damage
Improper Planting
Improper Pruning
Leafy Mistletoe
(Phoradendron tomentosum)
Lightning Damage
Phytophtora Root Rot
(Phytophtora spp.)
Soil Compaction
Structural Root Rot
(Ganoderma sp.)
Twig Girdler
(Oncideres pustulatus)
Underwatering