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Fig. 4 | BMC Plant Biology

Fig. 4

From: Plant performance of enhancing licorice with dual inoculating dark septate endophytes and Trichoderma viride mediated via effects on root development

Fig. 4

The causal relationships among DSE species, T. viride, root morphology and plant aboveground morphology based on structural equation model (SEM). Solid lines and dashed lines show significant and non-significant pathways, respectively. The width of the solid lines show the strength of the causal effect, and the numbers near the arrows show the standardized path coefficients (*P < 0.05, **P < 0.01, ***P < 0.001). TV = T. viride. DT = combination of DSE and T. viride. TRL = total root length. RD = root diameter. RSA = root surface area. TB = total biomass. PH = plant height. Leaf = number of leaf. SBR = branch number of shoot

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