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Old 27-Jan-2004   #3
Greggles
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Join Date: Jan-2004
USDA Zone: 10 sydney
Posts: 199
ohhhh...I get it!!!

man..that's sooo interesting!!

ok..in a sentence...here we go!

Leaves turn colour because the leaves stop producing food. (hmm..need more sentences...) There is a chemical in the leaf called chlorophyll. the chlorophyll breaks down and reveals the rest of the chemicals (which are not green).

So techinically...when I see leaves changing colours, that means those leaves have stopped producing and the "plant food" is going downwards?
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