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. 2019 Nov 5;6:115. doi: 10.3389/fmolb.2019.00115

Figure 3.

Figure 3

Differences in the composition of nifH-gene harboring bacteria in the different above-ground plants parts and roots for the three grasses. (A) Redundancy analysis (RDA) for ordination under constraint of the plant parts, (B) relative abundances at Class level between different plant parts; * indicates significant differences at P < 0.05, (C) Canonical analysis of principle (CAP) ordination, constrained by plant part and species and (D) Relative abundance of Burkholderia sp (Bk, OTU378) and Polaromonas naphthalenivorans (Pn, OTU909) in different plant parts. PERMANOVA—Grass: CV = 5.87, P = 0.09; Plant part: CV = 13.7, P = 0.01; Grass x plant part: CV = 7.2, P = 0.19; Grass-plant part: CV = 13.529; P = 0.001; ANOSIM (plant parts): Global R 0.332; P = 0.01.