Re: glossostigma (fwd)

[Cynthia Powers <cyn at metronet_com>]

---------- Forwarded message ----------
Date: Tue, 15 Apr 1997 16:29:06 -0500
From: Art Giacosa <art_giacosa at kleinfeld_com>
To: Aquatic Plants Digest <Aquatic-Plants-Owner at actwin_com>
Subject: Re: glossostigma

Hi Erik!

Glossostigma is actually a stem plant which will tend to grow upwards if
it doesn't have adequate light.  I have grown it very sucessfully with
yeast CO2, 3 watts/gal, and PMDD.  After a slow start, the plant spreads
out quickly.

I too have noticed that in high light areas the leaves tend to be small.
This is o.k. however, if you get a nice lawn effect.

I will mention (somewhat timidly) that in my experience this plant has
shown some allelophathic tendency.  ALL plants have shrunk back after
having come into contact with the glosso lawn.  Furthermore, a strange
thing happend when Ludwigia repens decided to shoot to the surface and
move over the glosso patch (blocking the light) and begin to throw roots
down to the substrate.  The glosso shot up several stems to touch the L.
repens.  Two days later the L. repens had moved away and rooted away from
the glosso patch.

No flames please.  Just recounting what was observed.  There may be many
explanations I suppose.

All the best.

Art Giacosa

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