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. 2021 Nov 2;16(11):e0259222. doi: 10.1371/journal.pone.0259222

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© 2021 Mehmood et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 3 — The effect of exogenous caffeic acid supply on (a) superoxide dismutase (SOD), (b) peroxidase (POD), (c) catalase (CAT) and (d) ascorbate peroxidase (APX) of two wheat (Triticum aestivum L.) varieties subjected to salt stress. The bar values depict the average of three replications and the bars not sharing the same lowercase letters differ significantly from each other according to the HSD test at P < 0.05 probability. Treatments include (T₁) Saline field EC 8.7 dS m^-1, (T₂) saline field + 50 μM caffeic acid, (T₃) saline field + 100 μM caffeic acid.