Select Suspected Cause

Hypoxylon Canker (Oak)

Hypoxylon Canker (Oak)
(Biscogniauxia atropunctata)
Hypoxylon Canker (Oak)

Hypoxylon Canker (Oak)
(Biscogniauxia atropunctata)
Armillaria Root Rot

Armillaria Root Rot
(Armillaria spp.)
Crown Gall

Crown Gall
(Agrobacterium tumefeciens)
Structural Root Rot

Structural Root Rot
(Ganoderma sp.)
Fusiform Rust

Fusiform Rust
(Cronartium fusiforme)
Redheaded Ash Borer

Redheaded Ash Borer
(Neoclytus acuminatus)
Carpenterworm

Carpenterworm
(Prionoxystus robiniae)
Frost Crack

Frost Crack
     
Lightning Damage

Lightning Damage
     
Soil Compaction

Soil Compaction
     
Improper Pruning

Improper Pruning
     
Mechanical Damage

Mechanical Damage
     
Improper Mulching

Improper Mulching