However, it takes very little light or time to initiate the transformation from the etiolated to the green state. So in the change from dark to light growth, light acts as a developmental trigger rather than a direct energy source.
However, it takes very littlelight or time to initiate thetransformation from the etiolated to thegreen state. So in the change fromdark to light growth, light acts as adevelopmental trigger rather than adirect energy source.