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. 2019 Sep 12;14(9):e0222405. doi: 10.1371/journal.pone.0222405

Fig 4. Biochemical analyses of control and stressed peanut plants grown with or without bacterium.

Fig 4

Estimation of (A) Auxin, (B) proline, (C) total amino acids, and (D) total soluble sugars in peanut plants grown under nitrogen supplement (C) or nitrogen deficit (N) conditions with inoculum (C+ and N+) or without inoculum (C–and N‒). Bars represent means ± SE, and ‘*’, ‘**’ and ‘***’ indicate significant differences at P < 0.05, P < 0.01 and P < 0.001, respectively, while ‘ns’ means no significant difference.