Leaf colour in autumn
aheise at ORCHARD.WASHTENAW.CC.MI.US
Mon Oct 21 10:12:15 EST 1996
Can you say more about how anthocyanin production would be a by-product
of 'mineral mining'? I don't get that.
We have been doing crude paper chromatography on the red maple outside
our building this fall. The red pigments definitely were not there
before the leaves turned. The yellows were there, of course.
Washtenaw Community College
Ann Arbor MI
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