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