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[bobf <bobford79 AT yahoo.com>]

Sage, so what does that mean as far as doing anything with the lichens?

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--- On Wed, 2/4/09, Sage Austin | Eureka! Design <eureka AT hctc.net> wrote:

> From: Sage Austin | Eureka! Design <eureka AT hctc.net>
> Subject: Re: [Homestead] James. why
> To: homestead AT lists.ibiblio.org
> Date: Wednesday, February 4, 2009, 11:56 AM
> "Lichens growing on trees (and throughout the
> ecosystem), each posessing 
> their own unique chemistries, also leach substantial
> quantities of 
> secondary metabolites, which each combine in unique ways
> with those of 
> their host plants. Lichens are a symbiosis of two
> organisms, a fungal 
> mycelia and an alga, that come together to form one plant.
> In a sense 
> they are a kind of mycelia that can live outside the soil;
> the alga 
> protects the internal mycelial core (from such things as
> drying out) 
> much as the soil does. The exterior alga and the interior
> mycelial core 
> possess their own unique biochemistries while, in
> combination, they 
> produce synergistic compounds unique to their combination
> as a lichen. 
> In the case of Usnea lichens the exterior covering is
> highly 
> antibacterial while the inner mycelial core, composed of
> complex 
> polysaccharides, is strongly immune potentiating. Lichens
> release these 
> compounds into their tree hosts to support their hosts'
> health and also 
> leach the into the system during rainfall. The tree lichens
> growing in a 
> hectare (2.5 acres) of oak woods can weigh 1,500 pounds and
> their 
> chemistries significantly alter throughfall water
> chemsitry"
> 
> Johannes Knops, et al., "The influence of piphytic
> lichens on the 
> nutrient cycling of an oak wood," in Ecological
> Monographs (May 1996) 
> www.nothernlights.com, excerpted from Stephen Harrod
> Buhner's "Lost 
> Language of Plants".
> 
> --Sage
> 
> Clansgian AT wmconnect.com wrote:
> >   
> >>> What kind of lichen?  Are they cutting out
> light/air movement or????
> >>>       
> >
> > Enough lichens on the bark causes the bark to
> deteriorate and introduces 
> > bacterial diseases and harmful fungus.  I lost a whole
> grove of cherry trees due 
> > to allowing the lichens to grow too thickly on them. 
> Pity too, really good 
> > Montmorency trees that produced heavily.  
> >
> > Now I make the bark a hostile environent for lichens
> and fungus by treating 
> > the bark with a weak copper solution.
> >
> > James
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> >   
> 
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