Fig. 3From: Low pH-responsive proteins revealed by a 2-DE based MS approach and related physiological responses in Citrus leavesLeaf ASC + DHA, ASC and DHA concentrations, and ASC/(ASC + DHA) ratio in response to low pH. Bars represent means ± SE (n = 6–8). Different letters above the bars indicate a significant difference at P < 0.05Back to article page