Figure 7
Effects of different treatments on antioxidant enzyme activities and MDA content of tomato seedlings. (A) Superoxide dismutase (SOD), (B) peroxidase (POD), (C) malondialdehyde (MDA), NA, 5 mg·kg−1 NA; KF, 60 mg·kg−1 KF; NA + KF, 5 mg·kg−1 NA and 60 mg·kg−1 KF. Different lowercase letters denote statistical differences among treatments of tomato seedlings at the 5% level according to LSD test. Error bars above mean indicate standard error (n = 3).
