UKTC Archive

RE: Mattheck's punch test

Subject: RE: Mattheck's punch test
From: Elton Watson
Date: Dec 03 2018 11:53:03
Thanks Jerry,
Unfortunately I don’t have workshop facilities where I can make up my own 
tools from raw material and I don’t think our procurement people would like 
me trying to use ebay. " Whether the value of the information gleaned is 
worth the damage caused is another question".  No, that was the question!

Matthecks drawing shows an almost seamless graft, unlike the distorted graft 
unions that are likely to require investigation, hence my concern that this 
method may not be of much use in practice, which prompted the question.

The trees I am concerned about exhibit clear signs of graft incompatibility, 
and I could do with a method of confirming the structural condition of the 
graft but am struggling to find anyone with much experience of dealing with 
grafted trees who could impart any wisdom.

Cheers

-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info 
[mailto:uktc-request@xxxxxx.tree-care.info] On Behalf Of Jerry Ross
Sent: 03 December 2018 09:29
To: UK Tree Care
Subject: Re: Mattheck's punch test

There are any number of Ebay sites offering lengths of 16mm x 2mm stainless 
steel tubing.
A short length, edges sharpened at one end on a grindstone, plus a wooden 
mallet should be effective.
You might need a length of 12mm dowel to get the sample out.
Whether the value of the information gleaned is worth the damage caused is 
another question.




On 30/11/2018 07:35, Elton Watson wrote:
Morning all,
This looks pretty straightforward in a textbook but I am  wondering how 
effective it is in practice, anyone out there tried it, if so is it 
effective and any recommendations for a decent 16mm punch?

Thanks - Elton

Elton Watson  MICFor

Uwch Swyddog Coed / Senior Tree Officer

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