Poorly Oaks

[Glen Poole]

Good afternoon all, i was wondering if any body out there can help me identify why these oaks are in such a poor condition? It's an area of 3 planted sites with approx 30-40 mixed species but it's only the oaks that are poor, any ideas? I have recommended mulching & removing supports from most of the trees. I know it looks like deer damage on some but the bark loss goes way higher than any deer could reach

Edited November 20, 2012 by Glen Poole

[Tony Croft aka hamadryad]

thats pretty serious dude, best you contact the FC

 

just had a better look, deer damage with armillaria secondary

[Glen Poole]

I too thought it could be Armillaria but i couldn't see any fungal mycelium, i'm leaning toward the possiblity of it being Phytophthora

[Mick Stockbridge]

Shouldn't you be telling us, or have I missed something?

 

 

 

http://arbtalk.co.uk/forum/training-education/50221-tech-cert.html

[Tony Croft aka hamadryad]

I too thought it could be Armillaria but i couldn't see any fungal mycelium, i'm leaning toward the possiblity of it being Phytophthora

 

the bleeding is armillaria, thats your armillaria evidence, the bark damage is from deer, hence the specified deer hieght tree guards. This year we had drought early season, increased this kind of damge from mammals across the board.

[Crazy Cutter]

the bleeding is armillaria, thats your armillaria evidence, the bark damage is from deer, hence the specified deer hieght tree guards. This year we had drought early season, increased this kind of damge from mammals across the board.

 

Tony i take it the black stains are also on mature trees, i'm seeing it everywhere at present on oak but no stools?

[Glen Poole]

Lol Mick it took me three years to get through it,

I'm obviously not the brightest chap

[Tony Croft aka hamadryad]

Tony i take it the black stains are also on mature trees, i'm seeing it everywhere at present on oak but no stools?

 

Not all black deposits like this are armillaria sp, but a very vast majority are. Its rare to see the toadstools, armillarias rely far more on cords to travel around and tend to fruit far less frequently than most others.

 

Trees bleeding from armillaria attack is a common affair and often its very minor, a single channel, and nothing to get alarmed about.

 

Its like a sleeper, and really gets its foot in the door till stress enables it to really get in. In this case deer damage and drought

[Glen Poole]

Ok going back to the deer damage then, does anyone know why they've only damaged the Oaks & not the other species?

[RobArb]

They must like the tannins:biggrin:

 

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