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. 2019 Jun 15;190(3):589–604. doi: 10.1007/s00442-019-04433-w

Fig. 1.

Fig. 1

Projection to Latent Structures Discriminant Analysis (PLS-DA) of volatile organic compounds (VOCs) collected from the headspace of pathogenic and non-pathogenic fungi of Arabidopsis thaliana. a Grouping pattern of samples according to the first two principal components and the Hotelling’s T2 ellipse confining the confidence region (95%) of the score plot. b Contribution of individual VOCs to the first two principal components is shown in the loading plot of the PLS-DA. c List of VOCs with values of variable importance in projection (VIP) > 1.2. Different letters indicate the distribution of the samples of the 11 different fungi: Ci, Chaetomium indicum; Fo47,  Fusarium oxysporum 47; For,  F. oxysporum f.sp. raphani; Mp,  Mucor plumbeus; Pl,  Phoma leveillei; Rs,  Rhizoctonia solani; Ss,  Sclerotinia sclerotiorum; Tv,  Trichoderma viride; Ua,  Ulocladium atrum; Vd,  Verticillium dahliae; Vl,  Verticillium longisporum