phaeolus on radiata

[arbmark]

Have been monitoring a large monterey pine with a 6" fb phaeolus shweinitzii on it about 1ft up from the base. Not a fungus expert but a consultant has given the tree the all clear, but my instinct (ok, probably wrong!) is he's underestimated the risk. Plus my mum helps with the garden under it!

 

It is also bleeding around a lot of the the lowest 6-8ft.

It borders a pub garden and the pub is just within arc of fall.

Its in a valley (fairly protected except from north - side of fb and large rotting stub)

Has a stream running beside it with some exposed roots (opposite side to pub) 2 m away, 1 m below.

 

Its in a CA and the TO wanted it looked at!

 

Has anyone come across a stem/root failiure of radiata due to this fungus? The crown has lost a few primary branches over the years but it looks pretty healthy. Lonsdale book says its pretty aggressive brown rot!!!!?!?!!! It has been fruiting at least 5 years. And what do you reckon about the basal swelling peoples? thoughts/wisdom appreciated!!

 

Cheers Mark

[Fungus]

Have been monitoring a large monterey pine with a 6" fb phaeolus schweinitzii on it about 1ft up from the base ... a consultant has given the tree the all clear, but my instinct is he's underestimated the risk. It is also bleeding around a lot of the the lowest 6-8ft. some exposed roots ... its pretty aggressive brown rot!!!!?!?!!! It has been fruiting at least 5 years. And what do you reckon about the basal swelling ?

 

Mark,

You'd better follow your instinct, the tree has the bark necrosis with bark throw typical of the mycelium of the necrotrophic parasitic P. schweinitzii killing living tissues at different levels of the trunk, the basal swelling or shell buckling caused by the intensive brown rot in the base and black oozing or bleeding not coming from the infection of P. schweinitzii, but probably caused by rhizomorphs of the in this case secundary necrotrophic parasitic Armillaria ostoyae also invading the living tissues and locally blocking transport.

[Tony Croft aka hamadryad]

EXACTLY what the man says, and the consultant wants a slapped wrist IMHO

 

just had a better look at the images and the language is LOUD!

 

buckles, necroses, grey bark and even bark cracks!

Edited December 16, 2011 by Tony Croft aka hamadryad

[arbmark]

Mark,

You'd better follow your instinct, the tree has the bark necrosis with bark throw typical of the mycelium of the necrotrophic parasitic P. schweinitzii killing living tissues at different levels of the trunk, the basal swelling or shell buckling caused by the intensive brown rot in the base and black oozing or bleeding not coming from the infection of P. schweinitzii, but probably caused by rhizomorphs of the in this case secundary necrotrophic parasitic Armillaria ostoyae also invading the living tissues and locally blocking transport.

 

Thankyou very much Gerritt.

I had read about the association with armillaria and had suspected exactly what you are saying. I think i need to go back to the TO. I am dreading telling the owner who was overjoyed at the (formerly) good news!

I was rather hoping you would say i was wrong!

The consultant has said that he thinks there is still branch extension growth going on and incremental trunk growth occuring, which as you said, could easily be caused by buckling. Its obviously not a smooth cylinder is it!

Much appreciated sir:001_smile:

[arbmark]

EXACTLY what the man says, and the consultant wants a slapped wrist IMHO

 

just had a better look at the images and the language is LOUD!

 

buckles, necroses, grey bark and even bark cracks!

 

i know man i know!!!! I gather the weather wasnt great - maybe it misted up his glasses!!!

[Tony Croft aka hamadryad]

i know man i know!!!! I gather the weather wasnt great - maybe it misted up his glasses!!!

 

well my view of his assesment would mist his glasses up thats for certain!

[gibbon]

Have any of you guys seen a Monterey pine fail? There's lots of big ones around here and I've never seen a single stemmed tree fall. It's the collapse of major parts of the crown or whole stems normally.

[felixthelogchopper]

Have any of you guys seen a Monterey pine fail? There's lots of big ones around here and I've never seen a single stemmed tree fall. It's the collapse of major parts of the crown or whole stems normally.

 

I wouldn't want to be under that crown if it was dropping

[David Humphries]

Mark if you ever do remove it, I'd be appreciative if you could post up a few lower cross sections of the trunk.

 

Would be fascinating to see where the Phaeolus is decaying this tree. Particularly in terms of where the fruit body is in regards to the dysfunctional column under the the stub.

 

 

 

.

[Tony Croft aka hamadryad]

Have any of you guys seen a Monterey pine fail? There's lots of big ones around here and I've never seen a single stemmed tree fall. It's the collapse of major parts of the crown or whole stems normally.

 

Just in case, because i didnt say so, I dont think felling is the absolute final answer!