UKTC Archive

Re: PICUS

Subject: Re: PICUS
From: Liz Gilbert
Date: Feb 06 2003 11:45:13
Scott, I was working for Bartlett Tree Research at the time. The results should be published and we are very close to finishing the write up. It is important to get the nails to just contact the latest growth ring and with practice you can get adept at this ? you can tell by the change in resistance and sound when hammering the nails in.
Liz

From: "Scott Cullen" <dscottcul@xxxx.net>
Reply-To: uktc@xxxxxxxxx.co.uk
To: UK Tree Care <uktc@xxxxxxxxx.co.uk>
Subject: Re: PICUS
Date: Wed, 5 Feb 2003 11:27:33 -0500

Liz can you disclose who you did this research project for or if the results
are published?

Scott Cullen

----- Original Message -----
From: "Liz Gilbert" <liz_gilbert66@xxxxxxxx.com>
To: "UK Tree Care" <uktc@xxxxxxxxx.co.uk>
Sent: Wednesday, February 05, 2003 11:12 AM
Subject: RE: PICUS


> I worked on a research project to evaluate the PICUS while in the States > last year. We used the instrument to take measurements on around 30 cross
> sections of a number of trees, and then chopped them down to see how
> accurate the method was in assessing the area and location of decay. The > results looked good. In all cases where decay was not present in a cross
> section the PICUS showed no decay. In cases where there was decay it
> appeared to be very accurate. It is less invasive than drilling, with the > nails being driven through the bark so that they are just in contact with
> the latest growth ring. The results should be published at some point,
when
> we've finished writing it up...
> I had some contact with a guy in Germany who was also researching it and
he
> had found that it could detect decay caused by Ustulina deusta. As far as
I
> know no one in the states was using it either because of the high cost.
> Liz Gilbert
>
>
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