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Bidimensional plot of first two components obtained by Principal Component Analysis (PCA) of P. nigrum cultivars based on Essential Oil (EO) chemical composition. Inoculated plants: I7, I15, I21, I30 and I45. Control Plants: C7, C15, C21, C30 and C45. (A) Bragantina; and (B) Cingapura. PC1: First Principal Component, PC2: Second Principal Component.
