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. 2021 Apr 14;12:650771. doi: 10.3389/fmicb.2021.650771

FIGURE 2.

FIGURE 2

Quantification of plant growth promoting substances by selected endophytes of peanut. (A) Indole acetic acid like substances (μg/ml); (B) ACC deaminase activity (ηmoles α-ketoglutarate/mg protein/h). Values are mean of three replications ± SE. Data followed by the same letter (s) do not differ significantly at P = 0.05 according to Tukey’s multiple range test. LSD0.05 for IAA and ACC deaminase among the treatments are 0.494 and 38.12, respectively. (C) In vitro germinating seed bioassay: effect of inoculation of Bacillus sp. REN 51N on root growth and development of peanut (cv. TG37A) seedlings. Observation after 72 h of incubation at 28 ± 2°C; (D) impact of inoculation of endophytes on alleviation of salinity stress in peanut (cv. TG37A) in pots; left: uninoculated control; right: inoculated with Bacillus firmus J22N.