Hypoxylon Canker
(Hypoxylon tinctor)
Armillaria Root Rot
(Armillaria spp.)
Structural Root Rot
(Ganoderma sp.)
Frost Crack
Lightning Damage
Soil Compaction
Improper Pruning
Mechanical Damage
Improper Mulching
Phytophtora Root Rot
(Phytophtora spp.)
Botryosphaeria Canker
(Botryosphaeria spp)
Ambrosia Beetles
(Scolytinae: Xyleborini)