Re: CULT: bug spit & plant advertising
- Subject: Re: CULT: bug spit & plant advertising
- From: "albee703" a*@aol.com
- Date: Thu, 19 Sep 2002 13:41:19 -0000
Trees do put out signals when stressed due to drought, heat stress
etc. The plum borer comes to mind. With the increasing droughts
in '97, '98 and again in 2002 the cherry and purple plum trees have
been ravaged by the borer. I have written off a beautiful flowering
cherry as a result. I'll have to stick another cherry seed in the
ground.
Al Bullock
Z7 No Va
--- In iris-talk@y..., Linda Mann <lmann@v...> wrote:
> Insect attacks definitely do trigger the production of chemicals
that
> broadcast the advertising message "come eat me, I am defenseless".
I
> don't know the details, but this has been well documented for
several
> tree/insect relationships, including the southern pine beetle and I
> think spruce budworm? > Linda Mann east Tennessee USA zone 7/8
>
> Tennessee Whooping Crane Walkathon:
> <http://www.whoopingcranesovertn.org>
> American Iris Society web site <http://www.irises.org>
> iris-talk/Mallorn archives: <http://www.hort.net/lists/iris-talk/>
> iris-photos/Mallorn archives: <http://www.hort.net/lists/iris-
photos/>
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