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. 2026 Aug 3;6:1872892. doi: 10.3389/fsysb.2026.1872892

FIGURE 2.

Bar chart with three panels showing (A) phosphorus solubilization by MC and SR bacterial isolates over seven days, (B) phosphorus solubilization by KIII, KIIV, K21, and K2III isolates, and (C) indole-3-acetic acid (IAA) concentration produced by various bacterial isolates, all with statistical significance indicated by different letters above bars.

Phosphate solubilization by potential isolates in PVK broth (A) rhizospheric and (B) endophytic bacteria. (C) Comparison of IAA production across different bacterial isolates. Values are expressed as mean ± SD. Means with different lowercase letters above bars indicate statistically significant differences within the same day at p < 0.05, according to Tukey’s post hoc test.