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. 2019 Oct 22;10:1317. doi: 10.3389/fpls.2019.01317

Figure 4.

Figure 4

Effects of Rhizobium etli and PsNPS3121 on roots and nodules of Phaseolus vulgaris. (A, B) Lengths of the root systems. Data are mean ± SD from 12 independent plants (n = 12). (C, D) Total number of nodules from each of the different treatments: plants inoculated with R. etli alone or R. etli plus PsNPS3121. Data are mean ± SD from nine independent plants (n = 9). (E) Diameters of nodules in mm. Data are mean ± SD from 50 nodules in nine independent plants (n = 450). Results are expressed as means and quartiles (box plots). (F) Acetylene reduction assay. Data are mean ± SD from six independent plants (n = 6). Statistical significance was determined using one-way ANOVA followed by Tukey’s test, p < 0.05. Means with the same letter are not significantly different.