[Homestead] James. why
EarthNSky
erthnsky at bellsouth.net
Wed Feb 4 14:12:23 EST 2009
And this is why I love this list!!!
Sage Austin | Eureka! Design wrote:
> "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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--
"Nothing in this world can take the place of persistence. Talent will
not; nothing is more common than unsuccessful people with talent. Genius
will not; unrewarded genius is almost a proverb. Education will not; the
world is full of educated derelicts. Persistence and determination alone
are omnipotent. The slogan 'press on' has solved and always will solve
the problems of the human race"
~ Calvin Coolidge
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