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. 2019 Mar 14;19:85–90. doi: 10.1016/j.jare.2019.03.002

Fig. 2.

Fig. 2

Principal component analysis (PCA) of volatiles released by roots of M. truncatula. Roots of 6-week-old plants (wild type and dmi3) were inoculated with either spores of R. irregularis or zoospores of A. euteiches or left untreated (control) for 12 h. For PCA, compounds showing at least 70% abundance per treatment were included. Statistical analysis was performed by one-way ANOVA with P = 0.05 and a fold change >2.