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. 2021 Sep 3;12:671487. doi: 10.3389/fpls.2021.671487

FIGURE 4.

FIGURE 4

Oleuropein content (mg) per 100 mg (dry weight) of olive leaves. Olive plantlets Agroinoculated either with pTRV2-EV (n = 3) or with pTRV2-OeGLU (n = 6) constructs were screened (Supplementary Table 2). Mean ± SE and asterisks denote statistical significance (**P ≤ 0.01; Student’s t-test). EV, empty vector; OeGLU, oleuropein β-glucosidase.