Green light: a signal to slow down or stop.

@article{Folta2007GreenLA,
  title={Green light: a signal to slow down or stop.},
  author={Kevin M. Folta and Stefanie A. Maruhnich},
  journal={Journal of experimental botany},
  year={2007},
  volume={58 12},
  pages={
          3099-111
        }
}
Light has a profound effect on plant growth and development. Red and blue light best drive photosynthetic metabolism, so it is no surprise that these light qualities are particularly efficient in advancing the developmental characteristics associated with autotrophic growth habits. Photosynthetically inefficient light qualities also impart important environmental information to a developing plant. For example, far-red light reverses the effect of phytochromes, leading to changes in gene… 

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