Fig. 4

(a, b) The effect of naphthalene acetic acid (NAA) under alkaline stress on antioxidant enzymes of squash plant. (a) Catalase; (b) peroxidase. Bars sharing similar alphabetic letters do not differ significantly (P ≤ 0.05).
(a, b) The effect of naphthalene acetic acid (NAA) under alkaline stress on antioxidant enzymes of squash plant. (a) Catalase; (b) peroxidase. Bars sharing similar alphabetic letters do not differ significantly (P ≤ 0.05).