International Scholarly Research Notices / 2013 / Article / Fig 1

Review Article

Canopy Light Signals and Crop Yield in Sickness and in Health

Figure 1

Phytochrome, cryptochrome, phototropin and the UV-B photoreceptor UVR8 perceive signals of the canopy light environment. The light incident on the canopy has high irradiance, high red/far-red ratio and high blue/green ratio. As light penetrates within the canopy, these values become reduced and the activity of the photoreceptors is also reduced.
650439.fig.001

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