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Hypoxylon canker occurs on many oak species (commonly blackjack, live, post, southern red, and white) and is found in forest areas and home landscapes. The disease is usually associated with stresses caused by drought, heat, wound or chemical injury.
Hypoxylon Canker on Aspens and Willows
Lace Bugs
Leaf Spot Diseases of Poplar
Lichens on Trees
Maple Petiole Borer
Nectria Canker
Oak Anthracnose
Phomopsis Canker & Gall
Pine Needle Rust
Pine-Oak and Pine-Pine Gall Rusts ...
 See also: Stress, Wood, Branch, Plant, Leaf
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