Fig. 5From: Effects of endophytic fungi on the secondary metabolites of Hordeum bogdanii under alkaline stressPolyphenol oxidase activity and acid phosphatase activity in stems and leaves of E + and E− Hordeum bogdanii under different concentrations of alkali (picture A is polyphenol oxidase activity in stem, picture B is polyphenol oxidase activity in leaves, picture C is acid phosphatase activity in leaves)Back to article page