Fig. 3

Osmolyte and total phenolic accumulation in four plant species under drought stress and recovery. (A) Soluble sugars content, (B) soluble proteins content, (C) proline content, and (D) total phenolics content in Triticum aestivum, Helianthus annuus, Chenopodium album, and Alternanthera brasiliana. Bars represent means (± SD, n = 3). Different letters above bars indicate significant differences between means (P < 0.05) according to Tukey’s post hoc test following two-way ANOVA.