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The what, when & how of seedling growth regulation.
(2013-07-23)
Photomorphogenesis has two stages. First, seedlings detect light and open their embryonic leaves (cotyledons). Second, seedlings optimize their light environment by regulated elongation of the embryonic stem (hypocotyl). Several hormones, including auxin, brassinosteroids (BR) and gibberellins (GA), orchestrate the growth of ...