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Daily germination percentage in terms of radicle emergence (A,C) and cotyledon expansion (B,D) of QA seeds treated with different concentrations of ABA or NaCl. (E) QA seeds incubated (day 8) on control medium and media with different concentrations of ABA (1, 5, 10 μM) or NaCl (25, 50, 100 mM). Values indicate mean ± SD (n = 50). Asterisks represent significance levels using Student t-test; ∗P ≤ 0.05; ∗∗P ≤ 0.01; ∗∗∗P ≤ 0.005. QA, Quadrato D’Asti giallo.
