FIGURE 6.

In vivo absorption spectra of H. hongdechloris grown under different light qualities (A) and different intensities of FR light (B). Absorption peaks corresponding to carotenoid (495 nm), phycobiliprotein (625 nm), Chl a (678 nm) and Chl f (730 nm) are indicated. A insert: PC index [phycobiliprotein to Chl a ratio (A_{625-780 nm}/A_{678-780 nm})] of H. hongdechloris grown under different light qualities; FR, far-red; OR, orange-red; RL, red light and WL, white light. B insert: Car to Chl a (carotenoid to Chl a, A_{495-780 nm}/A_{678-780 nm}) and Chl f to Chl a index (A_{730-780 nm}/A_{678-780 nm}) index of H. hongdechloris under different intensities of 730 nm light. All data represent the means of five replicates (n = 5).