Re: Help! (damage to a very old Pinus pinea)

Subject: Re: Help! (damage to a very old Pinus pinea)
From: &* O* <o*@eircom.net>
Date: Sat, 13 Oct 2007 09:06:10 +0100

Hi all,

definitely looks like lightening damage to me. With lightening, the tree tissue may burn, but more commonly the tissue just heats up and the sap boils tearing it apart.

The route taken by the lightening will follow water filled xylem. In my mind/ experience wind damage/torsion will always produce an obviously deep wound - not the superficial damage you describe.

May your tree live for another 100 years before it gets hit again.

BrianO

----- Original Message -----

From: s*@gimcw.org

To: m*@ucdavis.edu

Sent: Friday, October 12, 2007 8:02 PM

Subject: Help! (damage to a very old Pinus pinea)

(Posted for Cali Doxiadis . . .)

Within the last 3 days this gash has appeared on our near century old umbrella
pine (Pinus pinea). It runs from about a foot off the ground to as high as I
can see, at some point winding round the trunk. It does not seem to go very
deep (only an inch or so beyond the bark) and there are no scorch marks
anywhere, which would seem to belie the local wisdom that it was caused by
lightning. (We have had several thunderstorms in the last week) No sign of
insect life.
It looks ominous....
Any ideas anyone? Help!
Cali Doxiadis
Corfu, Greece

Photos:
http://gimcw.org/temp/Cali_6725.jpg
http://gimcw.org/temp/Cali_6727.jpg
http://gimcw.org/temp/Cali_6728.jpg

References:
- Help! (damage to a very old Pinus pinea)
  - From: &* A* O* &*

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