Figure 3.

Measurement of photosynthetic activity. (a) Photosynthetic yield and (b) photosynthetic pigments. The X-axis indicates the different concentrations of abiotic stressors. The Y-axis represents (a) the chlorophyll a yield index (Fv/Fm) is presented as a ratio of variable fluorescence (Fv) over the maximum value of fluorescence (Fm)) and (b) µg of photosynthetic pigment per gram of dry weight (DW). n = 10 for each individual bar. Bars represent the standard error. ** p < 0.01 by Student’s tests for the target sample compared to the control sample.