Oak disease ID help

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clinchscavalry

clinchscavalry

ArboristSite Operative
Joined
Nov 24, 2009
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270
Location
middle Georgia
Here in GA we're seeing many oaks with signs of a disease with the main symptom being patches of smooth grey bark when the bark normally has fissures and is more "3-D". Red Oaks are the most commonly affected. Anyone have an idea about what this is ?

I'll try to get some pictures this week if possible.
 
treeseer

treeseer

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Jan 2, 2004
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6,904
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se usa
patches of smooth grey bark when the bark normally has fissures and is more "3-D". Red Oaks are the most commonly affected. Anyone have an idea about what this is ?

I'll try to get some pictures this week if possible.
Good idea. In the meantime, search Aleurodiscus.

PS it may not be a disease at all. Scratch the smooth part and look within.
 
treeseer

treeseer

Advocatus Pro Arbora
Joined
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Messages
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Location
se usa
"Sounds like Hypoxylon Canker"

Hypoxylon is sometimes tan sometimes gray but usually black.

Way too little info to be imagining fatal conditions imo.

:taped:
 

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