marginally significantp-value = 0.09
In chitosan-treated plants, peroxidase activity in the shoot (0.66 ± 0.11 ΔOD/min·mg protein) was not different from that in control plants but was doubly increased in root tissues (30.80 ± 8.06 ΔOD/min·mg protein) with a marginally significant difference (p-value = 0.09) as relative to control.