Armillaria Root Rot
(Armillaria spp.)
Crown Gall
(Agrobacterium tumefeciens)
Leafy Mistletoe
(Phoradendron tomentosum)
Structural Root Rot
(Ganoderma sp.)
Dogwood Borer
(Synanthedon scitula)
Carpenterworm
(Prionoxystus robiniae)
Cottonwood Borer
(Plectrodera scalator)
Cottonwood Twig Borer
(Gypsonoma haimbachiana)
Drought
Frost Crack
Herbicide Damage
Lightning Damage
Underwatering
Soil Compaction
Improper Pruning
Improper Planting
Phytophthora Root Rot
(Phytophthora spp.)
Botryosphaeria Canker
(Botryosphaeria spp)
Ambrosia Beetles
(Scolytinae: Xyleborini)