Fig. 6From: Heme is involved in the exogenous ALA-promoted growth and antioxidant defense system of cucumber seedlings under salt stressThe contents of proline (A), glycine betaine (B), glucose contents (C) and starch contents (D) of cucumber seedlings. Values were mean ± SE (n = 3). Bars with different lowercase letters were significantly different by Tukey’s multiple range test (P < 0.05)Back to article page