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Old 27-01-2003, 04:43 PM
Nina Shishkoff
 
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Default [IBC] Mycorrhiza


Do you know, though, if the bits within the root are capable of
regeneration? I wouldn't've thought they were, in the VAM fungi at least,
as the arbuscules aren't really anything more than exchange sites. And,
of course, if the mycorrhizae can't regenerate from their arbuscules, the
presence of the arbuscules within the root doesn't get us very far... then
again, fungal regeneration isn't something I know much about.


With ectomycorrhizal fungi, the mycelium will regenerate easily.
With endomycorrhizal fungi, I'm not so sure....arbuscules won't
regenerate, but there is plenty of mycelium in the root. I used to
stare for hours at cleared and stained endomycorrhizal roots, and I'm
not sure if I ever saw an internal hypha ever come out, but I imagine
it could, especially in a senescent root.
--
Nina Shishkoff

Riverhead, NY

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Old 06-02-2003, 12:19 PM
Theo
 
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Default [IBC] Mycorrhiza

Pines develope their own mycorrhiza but beside of oaks I never heard of
others.. anyway-- when transplanting a pine always add some old ""
mycorrhized" soil to it ; mycorrhize looks like white fungus on
Camembert cheese
when the plant is very healthy and well cured sometimes overflows from the
draining holes..

but can be killed by sprays conatining cupper or copper derivatives

so if you need to use a spry to kill some pests and it contains copper
cover the pot of the pine with plastic while treating to avoid drippings
, and be careful during the period of treatement that the water dripping
from needles do not drop onto soil ..
just 2-3 weeks after treatemt only.
Theo


Jim Lewis a écrit dans le message :
000901c2c3d6$f883cc80$b7112cc7@pavilion...
I've been doing some reading up on Mycorrhiza. mainly because

ive seen it
as aproduct offered at local nursery. Its mainly spoken about

in realtion
to black pines. And some controvery about Mycorrhiza and

fertilizer. im
interested in if it would be a good addition to all plants no

just the
pines. eg. japanese maples, oaks, sweet gum etc. And what is

you opinon
to add it yo juvenille plants?


On Bonsai and Mycorrhiza:

1. There is NO one-kind-fits-all Mycorrhiza; Mycorrhiza are
extremely species specific.
2. If you need Mycorrhiza, they/it almost always will come.
With no effort on your part. I dunno why. Or how. (Maybe Nina
does.)
3. The so-called "function" of Mycorrhiza is to make hard-to-use
nutrients more accessible to the plant. For potted trees, we
supply all the nutrients they need, and in an easily useable
form, so there's no real need for Mycorrhiza (though Mycorrhiza
probably are there; Mycorrhiza tend to develop even on
bare-rooted plants).
4. Reportedly, Mycorrhiza tends to disappear when a plant is
heavily fertilized. Many pesticides (plant, animal, and fungal)
adversely affect Mycorrhiza.

So, save your money and don't worry about adding or developing
Mycorrhiza.

Jim Lewis - - Tallahassee, FL - Our life is
frittered away by detail . . . . Simplify! Simplify. -- Henry
David Thoreau - Walden


************************************************** **************************
****
++++Sponsored, in part, by Jerry Meislik++++

************************************************** **************************
****
-- The IBC HOME PAGE & FAQ:
http://www.internetbonsaiclub.org/ --
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