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Re: systemic acquired resistance (SAR).

  • Subject: Re: systemic acquired resistance (SAR).
  • From: bob <bobaxe@sbtek.net>
  • Date: Mon, 15 Oct 2001 11:55:00 -0500

Dan Nelson wrote:
> Hi Glen,
> A few years ago I read about trees responding to insect damage by
> releasing pheromones into the air and these pheromones triggering
> neighboring trees to respond by increasing levels of chemicals in
> their systems that inhibit insect attack. 
Hi Dan
	I have also read that since tree roots mostly grow together they
communicate that way also to attacks.
Bob             Bob Axmear  208 2nd St Ne  Waukon, Ia 52172
		Screensavers http://gardensights.com/photo/
                Hosta Library http://hostalibrary.org/
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