Re: [AGA Member] Plant Pigmentation Discussion (somewhat long)

["Phil Edwards" <biotypical@hotmail.com>]

Roger Miller wrote:

<quote>
As I think Scott and others were getting to, the reddish pigments in plants
> probably have more than one role.  The pigment has a role in plants growing
> under bright light that seems different from the role it plays in forest
> understory plants.  That multiplicity may cause problems in your research.
<end quote>

I'm afraid of that too.

Here's a question for all of us to ponder....why does Ludwigia arcuata red 
foliage under water but green as soon as it breaks the surface?  Aside from 
the structural the plant underwent when it became submerged is there really 
that much of a difference between the top millimeter of the water and the 
air right above it?

Thanks!
Phil

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