[NAFEX] red maples

Mathew Waehner waehner at gmail.com
Wed Nov 7 12:54:50 EST 2007

A study was just published on that.  BAsically, the reesearcher found that
the red dye was there as a sunscreen to protecht the leaves after
chlorophyll was broken down.  The tree uses energy (sugar) to make the dye,
in exchance for keeping the leaves alive while nitrogen is salvaged for next

The study claimed that in trees that sometimes, but not always show red
leaves, it is an indicator of nitrogen stress.

LINK:  http://www.sciencedaily.com/releases/2007/10/071025112042.htm

On 11/7/07, Jerrydana5 at aol.com <Jerrydana5 at aol.com> wrote:
>  I want to ask what sounds like a stupid question:  What makes red maples
> red?  We have a red maple in our yard, and a couple of silver maples.  The
> Red maple turns yellow,  just like the silver maples.  The Silver maples
> actually have a tinge of red, more than most of the silver maples around
> here.  The other red maples around our town are bright red - beautiful.  I
> am quite sure of the variety-I know the difference between red and silver
> maples.  Could it be soil?  Light?  Jerry in southern Indiana
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