Figure 1

Light arrangements and growth of D. purpurea plants growing under (a) R-LED (100%), (b) B-LED (100%), (c) FL-LED (100%), (d) R-LED: B-LED (50: 50%), (e) R-LED: B-LED (80: 20%), and (f) R-LED: B-LED (20: 80%) light qualities (figures are not in scale).