The effect of different light treatments on photosynthesis in two varieties. (A)Different light equipment; (B,E)The effect of different light treatments on photosynthesis at multiple light intensities in Zhongcha108 and Zhongbai4, respectively; (C,F) The effect of different light treatments on light saturation points in Zhongcha108 and Zhongbai4, respectively; (D,G) The effect of different light treatments on light compensation points in Zhongcha108 and Zhongbai4, respectively. Note: Different lowercase letters on the top of the bar chart indicate significant differences at the level of p < 0.05.