Managing Trees with Decay & Dysfunction

[David Humphries]

a scabby London plane in decline.

 

Loads of issues going on, bark cankers and branch die back (but no discernable Massaria noted)

 

This leafless limb was removed in June.

 

Pholiota aurivella fruiting from within the the centre of the cross section from today.

 

 

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[David Humphries]

Armillaria here fruiting on the now dysfunctional vascular channel from the dead root going up in to the canopy of this horse chestnut.

 

 

Damage perhaps caused by the path work a few years back.

 

 

Just monitoring for now

 

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[David Humphries]

Horse chestnut on the edge of woodland

 

Rigidoporus ulmarius fruiting

 

Removed wedge showing flesh and pore layer of the last couple of growth increments

 

 

Storm damaged in the 1990's and heavily reduced.

 

Pronounced buttressing as a result of the brown rot.

 

 

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[David Humphries]

Woodland beech with multiple fruiting of Ganoderma australe from February 2009.

 

We decided to reduce the leaning canopy weight over footpath steps to attempt to redistribute the weight over target.

 

 

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[David Humphries]

Woodland beech with multiple fruiting of Ganoderma australe ..

 

so, 4 years on from the reduction (feb 2013) we undertook resistograph readings to ascertain the t/R ratio of the extent of heart white rot and to determine the residual wall thickness.

 

we took readings at all cardinal points, here are a couple of them.....

 

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[David Humphries]

Woodland beech with multiple fruiting of Ganoderma australe.....

 

below, the result of the St Judes storm......

 

the last shot appears to show the wall 4 barrier of CODIT between the sound sap wood and the advancing lignin degredation.

 

I assume that this dark thin barrier is what Francis Schwartze refers to as the Polyphenolic R(eaction) zone.

 

 

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[APC]

Very well documented reflecting your teams serious and (IMO) balanced and proportionate approach to highly valuable assets in their specific locations with all the particular circumstances associated with those locations.

 

Well done David

 

Totally agree with this

[David Humphries]

Totally agree with this

Thanks APC, appreciated

 

 

Roadside ash with Inonotus hispidus in the crown stems, a heavily included union & shear cracks in the basal section of the trunk.

 

Guys went up to have a closer look to inform the reduction spec & priority importance in our schedule.

 

We concluded that it would be maintained as a topped tree at 50% its original height for its habitat value.

 

Work to be carried out this winter.

 

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[David Humphries]

Work to be carried out this winter.

 

St Judes storm in October had other ideas.

 

The principal failure occured at thepoint of the included union & not at the site of Inonotus decay.

 

 

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[treeseer]

St Judes storm in October had other ideas.

 

The principal failure occured at thepoint of the included union & not at the site of Inonotus decay.

 

 

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Ash are so straight-grained--ours are also prone to splitting.

 

So the last pic is of the 50% topping? I wonder how much habitat objectives drove that high a spec, but haven't worked with that species. How do you reckon the closure and sprouting will be?