Fig. 2 Total chlorophyll content (A and B) and Chl a/b ratios (C and D) under 100, 60, or 25% sunlight. Left panel, changes as
drought progressed; right panel, changes as leaf RWC decreased; the same as below. The results represent the means±SE from
five independent biological experiments. Bars with different lower case letters indicate significant differences using least significant
differences (P