Gardenbite: The Science Behind Fall Color |

Have you ever wondered what causes the reds, yellows, oranges, and maroons of autumn? There are lots of different plant pigments beyond the green color of chloroplast. In this episode horticulture educator Chris Enroth peers inside the processes of a leaf in the fall and how we get those spectacular autumn leaf displays.
Skip to what you want to know:
00:18 Fall color lore
00:33 What we thought was happening in leaves to produce fall color.
01:06 What triggers fall color to begin?
01:19 Senescence
01:32 Resorption
02:08 Abscission layer
02:34 What role does fall color play in leaf senescence?
03:44 Leaf pigments: carotenoids
05:18 Tannins
05:55 Anthocyanins
09:06 What autumn weather produces the best fall color?
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Chris Enroth: [e-mail]
Ken Johnson: [e-mail]
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[@mgaddini8363]

Love the accompanying photos to your gardenbite! It was very calming to enjoy the tranquility of this sneak peek of autumn.