A. madagascariensis

> Subject: Re: A. madagascariensis

> >> Some even suggested that Crypts and this Aponogeton
> >> had an affinity; increased oxygenation due to the roots of th
> >> neighbour.
> >
> >Although it is possible that increased oxygenation (or
> >circulation) is beneficial to A. mad.,(it certainly seems to be
> >other rooted plants) it seems unlikely that this is a Cryptocor
> >specific phenomenon.  They don't even come from the same
> >continent, so this would be a strange adaptation, indeed. ;-)
> >
> I was the one who suggested this, and it has really worked for m
> lace plants never did much of anything for me by themselves, eve
> light, nutrients, and CO2.  I had a lace plant growing with cryp
> bloomed, produced viable seeds, and continued to grow for five y
> without any resting period.   I did not mean to suggest that onl
> would work.  My hypothesis is that the roots of the crypts or an
> plant make conditions better for the lace plant probably by supp
> oxygen to the underwater soil.  Small crypts, such as C. nevilli
> companion plants for A. madagascariensis because they do not gro
> enough to compete with the lace plant's leaves for light.

That would lead one to believe that A. mad. might also benefit by 
a substrate circulation system of one sort or another.
> I grew this plant in a glass tray with about 0.25 inches of mud 
> bottom and 1.5 inches of gravel on top of the mud. The mud was m
> slowly mixing water with topsoil with plenty of stirring until I
> mixture runny enough to pass through a rice strainer.

Were you able to try this system on more than one A. mad. plant?  
I'd be interested to hear if others responded as well.

Karen Randall
Aquatic Gardeners Assoc.
Boston, MA