Pearling leaves...?

On June 22, Rene said:

>The real pearling effect is only seen from wounds on the
>leaves and usually from just one leaf on a particular plant.

I have been witnessing this as well--with crypts and anubias mainly; a
steady stream of micro fine bubbles from cuts and abrasions on leaves...?
Any explanations?


Todd March
tmarch at primenet_com