Fig. 4

The effect of NaCl and melatonin treatment on (A) chlorophyll a content, (B) chlorophyll b content, and (C) total chlorophyll content after 8 days of treatment. Different letters indicate significantly different results based on a 5% significance level using Duncans Multiple Range Test (DMRT). Error bars represent the mean ± standard error of the mean (SEM) calculated from 3 replicates. For each condition, 14 plants were used from per replicate.