Fig. 11From: Gamma-aminobutyric acid (GABA) alleviates salt damage in tomato by modulating Na+ uptake, the GAD gene, amino acid synthesis and reactive oxygen species metabolismAntioxidant enzymes activities in leaves of tomato seedlings under control and NaCl treatment with or without GABA. a: Superoxide dismutase. b: Peroxidase. c: Catalase. Note: Each value is the mean ± SD of three independent experiments. Different lower-case letters in each column shape indicate significant difference at P < 0.05 by Duncan’s testBack to article page