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nafex - Re: [nafex] Pale leaves in sun??

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  • From: david.maxwell@dal.ca
  • To: Jay Cutts <orders@cuttsreviews.com>, nafex mailing list at ibiblio <nafex@lists.ibiblio.org>
  • Subject: Re: [nafex] Pale leaves in sun??
  • Date: Thu, 21 Jun 2012 15:02:54 -0300

It is actually not specific to paw-paws. Plants in shade need to make more
chlorophyll in
order to make more food for growth. The increased chlorophyll is dark green.
Plants flooded
with light need - and make - less chlorophyll to satisfy their needs -> paler
leaves. (You are
reasoning in anthropomorphic terms - humans get darker in the sun. But
humans don't
photosynthesize).

> Does anyone have any ideas on why the leaves of a tree would become
> paler in the sun than they are in the shade?
>
>
> Jay
>






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