Suaveolic Acid: A Potent Phytotoxic Substance of Hyptis suaveolens

Figure 1

Effects of ethyl acetate and aqueous fractions isolated from the aqueous methanol extract of H. suaveolens on shoot and root growth of garden cress. Concentrations of tested samples corresponded to the extracts obtained from 10, 30, and 100 mg dry weight of H. suaveolens. Vertical bars represent error bars with standard deviations. Means ± SE from three independent experiments with 10 seeds for each determination are shown. Asterisks indicate a significant difference between control and treatment and .