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Reply #10: Leaves turn color because of the amount of sunlight. As sunlight diminishes plants start storing [View All]

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Home » Discuss » Archives » General Discussion (1/22-2007 thru 12/14/2010)

Colorado Progressive

(980 posts) Send PM | Profile | Ignore

Tue Oct-09-07 11:38 PM
Response to Reply #9

10. Leaves turn color because of the amount of sunlight. As sunlight diminishes plants start storing

sugars in their root system. When weather cools quickly some of these sugars and photosynthetic pigments get trapped in the leaves as the leaves are being cut off from circulation, which is what causes the leaf to change colors. Complicated, as it really has to do with everything involved, but the lack of sunlight is what initially triggers the changes in the plant's behavior. I used to be a botanist for USFS, not making this up.

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