Showing posts with label red fall colors. Show all posts
Showing posts with label red fall colors. Show all posts

Wednesday, 5 December 2012

A anthocyanin-rich fall

It's been a great year for red leaf color here in the Eastern U.S.  Very minimal cool nights followed by a LOT of warm sunny days seem to have resulted in much more intense late reds than usual.It's been remarkable warm now for weeks, so anthocyanin production must be unusually high. (The red and purple pigments, in fall, are produced using sugars from photosynthesis - in real time - and sequestered...