CAT and benign prostatic hyperplasia: In addition, the enzyme activity of CAT in TN1 and IR56 rice was found to be significantly downregulated (F2,12 = 8.42, p = 0.005; F2,12 = 8.03, p = 0.006) under TN1-BPH infestation at both 1 and 3 dpi as compared with the control.