
Fig. 1.
Spectroradiometer photon flux distribution for the light treatments of: (A) red and blue light-emitting diode (LED) treatment of 627 nm and 470 nm, respectively (light intensity of 350 μmol·m−2·s−1); and (B) blue LED treatment of 470 nm only (light intensity of 41 μmol·m−2·s−1).


