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Fig. 5 | BMC Plant Biology

Fig. 5

From: Chitosan nanoparticles improve physiological and biochemical responses of Salvia abrotanoides (Kar.) under drought stress

Fig. 5

Effects of different concentration of chitosan nanoparticles (CNPs) (30, 60 and 90 ppm) on superoxide dismutase (SOD), polyphenol oxidase (PPO), and guaiacol peroxidase (GPO) activity in leaves of S. abrotanoides in responses to drought stress levels (30, 50, and 100% FC). Values are means ± SD (n = 4). According to Duncan’s Multiple Range Test, different bar letters indicate significant differences among treatments (P ≤ 0.05)

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