Figure 4

Activities of superoxide dismutase (SOD) (A), catalase (CAT) (B), ascorbate peroxidase (APX) (C) and glutathione reductase (GR) (D) in the leaves of L. japonica. Gv, Glomus versiforme; Ri, Rhizophagus intraradices; NM, Non-mycorrhiza. An asterisk (*) within each Cd concentration denotes that there is a significant difference between inoculation and uninoculation treatments according to the Tukey test at the 5% level.