> From: KB Koh <KB_Koh at ccm_ipn.intel.com>
> Date: Tue, 19 Sep 95 08:55:00 PDT
> Subject: alleochemicals
> I've noticed that whenever any part of Echinodorus sp. touch Ludwiga
> Repens, that part of E. will become transparent and eventually a hole.
> Is this the effect of alleochemical released by the Ludwiga? Anybody
> else experience this? I've thrown out all my Ludwigia due to this.
Hmmm ... this got me thinking ... I had an Echinodorus in one of my 10 gal
tanks & was not able to get Ludwigia replens to grow in there very well
until last week I took the Echinodorus out & suddenly the Ludwigia has
started growing again - coincidence?