Phytochromes admin July 8, 2015 Plant biology Phytochromes are important pigments for plant growth and flowering. Below you will find a concise outline of the mechanism of action and effects of phytochromes. http://faculty.caes.uga.edu/pthomas/hort4050.web/Hort4050web/Phytochrome%20lecture.ppt Chromosome vector created by pch.vector – www.freepik.com