Fig. 6From: 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 chlorophyll a fluorescence transient (OJIP) of sweet pepper seedlings at different experimental periods. (a), (b), (c), and (d) were at 7, 14, 21, and 28 day after treatment, respectively. W, white light; R, monochromatic R light; B, monochromatic B light; RB, mixed R and B light of 3:1 Back to article page