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Biochemistry

Periodic graphics: How do evergreen trees stay green?

Chemical educator and Compound Interest blogger Andy Brunning queries the chemical tactics conifers use to make it through the winter

by Andy Brunning
January 10, 2017 | APPEARED IN VOLUME 95, ISSUE 3

 

09503-scitech2-evergreen-700a.png

 

References used to create this graphic:

Antifreeze proteins enable plants to survive in freezing conditions

How do trees survive winter cold?

Christmas trees have trouble seeing the light

Plant freezing and damage


To download a pdf of this article, visit http://cenm.ag/evergreen.

To see more of Brunning’s work, go to http://compoundchem.com. To see all of C&EN’s Periodic Graphics, visit http://cenm.ag/periodicgraphics.

 

 

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Comments
Martin Bide (January 18, 2017 5:59 PM)
Interesting stuff. One minor detail: the breakdown of chlorophyll does not "allow red anthocyanin pigments to become visible" in deciduous tree leaves: they are formed at about the same time as the breakdown. (If they were present all along, leaves would look dark brown, like a copper beech).
Sara Sutcliffe (January 18, 2017 10:05 PM)
Has there been any consideration of collecting some of the best of these into a coffee table type book? Or a e-reader format. Seems like it would sell.

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