Tis the season to see Fungi, fa la la la la....

[Matthew Arnold]

very well explained Matt....or should i say pilot:lol:

 

LOL. I wont be the BCS pilot for another week now as a colleague said the clutch cable was letting go (it wasnt), the motor/deck mount point had excessive play (not my fault) and because of the excessive play it had worn the PTO shaft which needs to replaced now. Not happy as needed that on Friday. Oh well back to the fungi dance:thumbup:

[JonnyVine]

Basically, willow is a soft (hard) wood anyway and is prone to tears/limb failures. Add a saprophtyic or parasitic fungi at a weak point in a willow and it can't defend itself quickly enough due to the openness of the rays. So the fungus goes crazy and goes on a gorging run before the tree can react thus causing failures at an accelerated rate in comparison to Oak or Ash for example.

 

Oh dear, evidently you are just as confused as me.

 

Perhaps it would be better if you let Tony explain as he's the one that has the knowledge to quantify this statement.

 

I am greatful however that you took the time to try and enlighten me,thank yo.

[David Humphries]

noting a 'seemingly' significant increase in the occurrence of Ganoderma resinaceum on London plane

 

I think youll be re identifying that as perenni later, or rigi:biggrin:

 

I don't believe so tony, not unless this local authority are in the habit of going around stripping these off each year.

 

They appear to be annual fruit bodies not perennials

 

I'll see if I can find a mature shot from the last couple of years

 

An example here of this years forming fruitbody and last years old bracket of Ganoderma resinaceum on London plane, taken this morning.

 

Interested in knowing if you were doubting in jest, or based your statement on experience or text books Tony?

 

cheers

 

David

 

.

[Rhino1bam]

Can anyone help me identify with fungus please note this as a baby one compared to the one that the kids were Using it as a football apparently it was about 600 long x 300 deep

[Tony Croft aka hamadryad]

Came across these today on an old stump, anyone got any ideas what they are?

 

[ATTACH]130573[/ATTACH]

[ATTACH]130575[/ATTACH]

 

This is a Pluerotus, maybe P. ostreatus, but also possibly the cultivated more metalic grey/blue genotype:001_cool:

 

 

 

Basically, willow is a soft (hard) wood anyway and is prone to tears/limb failures. Add a saprophtyic or parasitic fungi at a weak point in a willow and it can't defend itself quickly enough due to the openness of the rays. So the fungus goes crazy and goes on a gorging run before the tree can react thus causing failures at an accelerated rate in comparison to Oak or Ash for example.

 

Lets not get too into the knitty gritty of this but lets not use the "defence" word, trees dont really defend against saprophytic fungi, what they do do is prevent further dysfunction by sealing aerated areas. This is what Tyloses do, restrict further cavitations in the vessels in the vertical direction. The barrier zone or wall 4 (Sharon) is the only really effective barrier and is only really put in place when large scale aeration via massive limb failures etc have occurred, but even so some fungi can use this barrier as a food source. that tells us trees CANT defend against fungi, there is NO substance on earth, including radioactive isotopes that are resistant to fungi of one form or another. no substance either natural or man made.

 

 

 

Oh dear, evidently you are just as confused as me.

 

Perhaps it would be better if you let Tony explain as he's the one that has the knowledge to quantify this statement.

 

I am greatful however that you took the time to try and enlighten me,thank yo.

 

I was under the impression you was in need of enlightenment, but of a different kind:wink: I am teasing Jonny, long time no see, hows things with you? have you got your happy pills yet?

 

An example here of this years forming fruitbody and last years old bracket of Ganoderma resinaceum on London plane, taken this morning.

 

Interested in knowing if you were doubting in jest, or based your statement on experience or text books Tony?

 

cheers

 

David

 

.

 

Based on the texture in the image, but the later images here suggest you are correct, but I would like to see an image of this other one at a later date, just looks far less uniform than I would expect for a forming bracket of resinaceum. It has the fine ripples in the texture, which resinaceum does not from what I can see. You know how hard it can be from a single image.

 

Can anyone help me identify with fungus please note this as a baby one compared to the one that the kids were Using it as a football apparently it was about 600 long x 300 deep[ATTACH]130904[/ATTACH]

[ATTACH]130905[/ATTACH]

 

Your fungi Is Ganoderma I suspect australe oak copes very well with it if growing conditions are optimal, creates large cavities and much buckling at late stages as with planes.

[Tony Croft aka hamadryad]

Hi Tony

I was hoping you could quantify the "boundary of phenolic substances" statement?

Having worked with phenols for 8 monotanous m

 

All angiosperms produce phenolic compounds, as opposed to gymnosperms producing terpenes, and resins of course.

 

These substances are released by tyloses when the cell cavitates/aerates through failures or old age, dysfunction of vessels. The phenols or terpenes become a boundary to SOME fungi, for example those not possessing the enzymes needed to break down the particular substance involved. For instance, tanninase in Fistulina hepatica, as it is a tannin specialist.

 

Or like the P. schweinitzii which passes the tyloses in larch very easily, having no really high resin levels, but struggles to penetrate the more resinous pines, like Pinus sylvestris in which Phaeolus is considerably slower and inherantly more managable, a longer term prognosis, unlike the larch which it runs rampant in. much like the Laetiporus does in willow and beech, versus oak and Castanea.

 

deletions have to be MUCH quicker when i am around!

Edited August 2, 2013 by Tony Croft aka hamadryad

[JonnyVine]

Hi Tony

I was hoping you could quantify the "boundary of phenolic substances" it is true, trees do use phenolic deposits, (with tyloses for example to block xylem vessels, to make lignin compounds, some are excreted by leaves and by roots into the soil)

 

Where is this "boundary"? Willow in particular have a very poor ability to produce tyloses and phenols which is why this species is so readily decayed

 

Also you say fungus is resistant to all things? Ever heard of Fungicide?

 

Balls to the happy pills, just send me some of what you're on!

 

Maybe then I might be able to see what the King is wearing!

 

Keep up the good work Tone, I do like to see your photos

 

Jonny

[Tony Croft aka hamadryad]

Hi Tony

I was hoping you could quantify the "boundary of phenolic substances" it is true, trees do use phenolic deposits, (with tyloses for example to block xylem vessels, to make lignin compounds, some are excreted by leaves and by roots into the soil)

 

Where is this "boundary"? Willow in particular have a very poor ability to produce tyloses and phenols which is why this species is so readily decayed

 

Also you say fungus is resistant to all things? Ever heard of Fungicide?

 

Balls to the happy pills, just send me some of what you're on!

 

Maybe then I might be able to see what the King is wearing!

 

Keep up the good work Tone, I do like to see your photos

 

Jonny

 

Your digs are more subtle these days jonny:lol:

 

Fungicides, well all but sulphur at high concentrations, ie toxic to life in general bar probably archaea:001_tt2:

 

As for what the king is wearing, do you really believe that i am that man, that I have this "ego" regarding my position in life? come and have a day out with me and some of the others, you never know you might enjoy yourself, we do, even when were talking utter Blx:lol:

[Matthew Arnold]

 

 

Lets not get too into the knitty gritty of this but lets not use the "defence" word, trees dont really defend against saprophytic fungi, what they do do is prevent further dysfunction by sealing aerated areas. This is what Tyloses do, restrict further cavitations in the vessels in the vertical direction. The barrier zone or wall 4 (Sharon) is the only really effective barrier and is only really put in place when large scale aeration via massive limb failures etc have occurred, but even so some fungi can use this barrier as a food source. that tells us trees CANT defend against fungi, there is NO substance on earth, including radioactive isotopes that are resistant to fungi of one form or another. no substance either natural or man made.

 

 

 

From that sharp ended response i am just gonna post pics of what i know and not even attempt to get my head around aggressive fungi and the trees defense mechanisms. As i am obviously out of my league in the fungi world and if i put my two penneth in, i don't get shown where i have gone wrong i just get slapped out with a sledgehammer.

[sloth]

From that sharp ended response i am just gonna post pics of what i know and not even attempt to get my head around aggressive fungi and the trees defense mechanisms. As i am obviously out of my league in the fungi world and if i put my two penneth in, i don't get shown where i have gone wrong i just get slapped out with a sledgehammer.

 

Chin up Matt, I don't think it was meant like that. With the exception of one or two very clever myco-fanatics, everyone is playing catch up when it comes to fungi on trees and how it all works. We never stop learning if we don't want to. Keep up the good work mate