Fig. 3.
(a) Total monomeric anthocyanin content (TMA), (b) total phenolic content (TPC), (c) dry weight (DW), and (d) soluble solids content (SSC) monitored in roots of untreated and 360 g ha−1 ethephon-treated black carrot plants (7–35 weeks after sowing). Different letters indicate statistical significance according to Tukey’s test (p ≤ 0.05). Data represent the mean ± SE, n = 3