
Keywords: CAT، کاتالاز; Pn, net photosynthetic rate; gs, stomatal conductance; E, transpiration rate; C, iinternal CO2 concentration; TSOD, total superoxide dismutase; POD, guaiacol peroxidase; APX, ascorbate peroxidase; CAT, catalase; MDA, malondialdehyde; LP, lipid peroxidatio