Table 4.
Results of phytotoxicity assay of H. strigosum.
| Name of Plant | Concentration of Tested Sample (µg/mL) | No. of Fronds | % Growth Inhibition | Concentration of Standard Drug (Paraquat) (µg/mL) | |
|---|---|---|---|---|---|
| Sample | Control | ||||
| Lemna minor | 10 | 13 | 20 | 35 | 0.015 |
| 100 | 12 | 40 | |||
| 1000 | 10 | 50 | |||
Positive control = Paraquat; Negative control = Volatile solvent (ethanol); Incubation conditions = 28 ± 1 °C.