FIGURE 4.

Effects of B. licheniformis SA03 on (A) ${\mathrm{O}}_{\mathrm{2}}^{\mathrm{•–}}$, (B) H₂O₂ content, (C) MDA content, and (D) EL in Chrysanthemum plants before (BS) or after (AS) saline–alkaline treatments. Treatments and statistical analysis were as described in Figure 2.