Fig. 7 in Phytotoxic neo-clerodane diterpenoids from the aerial parts of Scutellaria barbata

Fig. 7. Phytotoxic effects of compound 2, 20, 21, 22, 25, 27, and glyphosate (positive control) on the growth of the roots and shoots of L. sativa seedlings at concentrations of 200, 100, 50, 25 μg/mL, respectively. (A) L. sativa shoot, (B) L. sativa root. (*) p <0.05, (**) p <0.01, and (***) p <0.001 versus the control group.