3.3.5. Oxidative Enzymes Activity

*Fusarium* wilt disease increased the activities of POD and PPO enzymes in the infected control plants over the healthy control plants; however, applying cyanobacteria through different modes to the infected plants significantly enhanced the activities of PPO and POD enzymes over the infected control plants. The data recorded in (Figure 5) revealed that the maximal increase in the activities of PPO and POD enzymes was observed in the infected pepper plants treated with *A. platensis* and *A. oryzae* through the foliar spraying, respectively. According to our findings, the antioxidant enzymes in infected plants treated with cyanobacteria in various modes, such as soil mode and foliar spraying, significantly increased, but the foliar spraying was more effective.
