Fig. 4From: Effects of red and blue light on leaf anatomy, CO2 assimilation and the photosynthetic electron transport capacity of sweet pepper (Capsicum annuum L.) seedlingsEffects of different light treatments on (a) photosynthetic light- and (b) CO2-response curves of sweet pepper seedlings at 28 day after treatment. Pn, net photosynthetic rate; PPFD, photosynthetic photon flux density; W, white light; R, monochromatic R light; B, monochromatic B light; RB, mixed R and B light of 3:1. □ W; ● R; △ B; ◆ RBBack to article page