Why do plants die in freezing weather?

#085 Rebroadcast

Well here in Texas, we just suffered through an intense freeze. And many a plant became a casualty of the cold, but why? What's going on at the molecular level that causes freezing temperatures to be bad for many plants? And is talking about this even chemistry? Let's find out.

References from this episode

1. https://climate.ncsu.edu/edu/FrostFreeze
2. https://wtamu.edu/~cbaird/sq/2014/01/15/why-dont-trees-freeze-and-burst-in-the-winter-like-cold-pipes/
3. https://aggie-horticulture.tamu.edu/wp-content/uploads/2013/06/FrostsandFreezes.pdf
4. https://aggie-horticulture.tamu.edu/archives/parsons/misc/coldprot.html
5. http://hyperphysics.phy-astr.gsu.edu/hbase/Chemical/waterdens.html
6. http://scienceline.ucsb.edu/getkey.php?key=5448

 

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