Quote:
Originally Posted by Louis_W
I have heard that C. walkeriana and perhaps C nobilior are pretty sensitive to night time illumination.
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Nobilior are not sensitive to night light at all
---------- Post added at 12:03 PM ---------- Previous post was at 11:59 AM ----------
Well, plants use their circadian rhythm to anticipate sunrise (see link below), so it would make sense that CAM plants (and others) can anticipate sunset. Anecdotally, walkeriana starts its fragrance just before the sun is up, also indicating some anticipation of sunrise.
Sunflowers Use Internal Circadian Clock to Follow Sun | Sci-News.com