Fig. 3

Abscisic acid (ABA) concentration (ng g.⁻¹ FW) in petals (A), s–s + s (B), ovary (C), and leaves (D) in cv. Porto or cv. Sunny wind Hibiscus plants after 4 weeks of salinity exposure. Data are shown as mean with at least 5 independent biological replicates and error bars indicate standard error. Data were subjected to two-way ANOVA and differences among means were determined using Tukey’s post-test. Different letters indicate statistical differences for p < 0.05