[nafex] Re: mycorrhizal fungi?

["edforest2010" <edforest55@hotmail.com>]

There are two main types of myco for fruit and nut growers, as far as 
I understand: endo and ecto, ecto being more for pine. I'm kind of 
doubting that the same host plants would suffice for both. Do you 
know?
Kevin B
> 
> >
> > Gianni, I'm interested in the myco propagation subject. If
> > it lives on/with living roots... I would think it would
> > take living roots to propagate it. I would think that
> > 'dead' bark would only propagate the non-desirable type
> > (unattached). That one would have to grow, say, an apple
> > tree with it on the roots. Then dig up the small tree and
> > scrape? the roots? Is my thinking way off?   Del
> 
> Hi Del,
> 
> You are correct, the mycorrhizal fungi has to be attached to
> living roots.  They are currently researching ways to grow
> it in agar, but that is not perfected yet.
> 
> However, the most common way of growing mycorrhizal fungi is
> in potted culture.  Basicaly you inoculate a plant with
> mycorrhizal fungi, put it in a plant pot, and when the plant
> matures and fills the pot with roots, you can use all the
> soil, and roots in that pot as inoculant for other plants.
> Just a matter of knocking soil off the plant, trimming it's
> roots and repotting it to grow more mycorrhizal fungi in
> that pot.
> 
> According to what I have read there will be mycorrhizal
> fungi spores in the soil, but the fungi roots, and plant
> roots will also serve as inoculant.
> 
> I was lucky enough to get some information from a Canadian
> scientist who is working with mycorrhizal fungi, and he
> instructs me that leeks are the best host plant in potted
> myco. culture.  He states "Reasons are that this plant
> (leeks) can grow several years if you cut the leaves
> regularly and do not let it produce flowers,  it has very
> few pathogens that attack it and it is very sensitive to
> mycorrhizal colonization.  Usually, colonized roots show a
> yellow pigmentation which help in detecting colonization".
> 
> So all you have to do is keep some inoculated leeks growing
> in pots, and when you need some mycorrhizal fungi just knock
> the plant from its pot, collect some soil, prune some roots,
> re-pot it and you have an unending supply of fungi.
> 
> But you need living plants for the process.  Even if the
> leek dies you will still have spores in the soil just
> waiting for an opportunity to grow.
> 
> Quite a learning experience today.
> 
> Later,
> Tom
> --
> Thomas Olenio
> Ontario, Canada
> Hardiness Zone 6a
> 
> 
> 
> [Non-text portions of this message have been removed]


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