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SPA2 Is Sufficient to Repress Photomorphogenesis in the Dark.
Hypocotyl length of wild-type, cop1-4 mutant, and spa1 spa3 spa4 triple mutant seedlings grown in Rc (A), FRc (B), or Bc (C) of various fluence rates. Error bars denote one standard error of the mean. The photographs to the right show the visual phenotype of seedlings grown in darkness or Rc (2 μmol m−2 s−1) (A), FRc (0.08 μmol m−2 s−1) (B), or Bc (1 μmol m−2 s−1) (C).
