Phytotoxicity of compounds 1, 2, and 6–8 (200 ppm) toward seedling growtha.
| Strains | Root length (mm) | Hypocotyl length (mm) | ||
|---|---|---|---|---|
| Amaranth | Lettuce | Amaranth | Lettuce | |
| 1 | 4.65 ± 0.53 | 19.30 ± 3.06 | 4.96 ± 0.45 | 6.65 ± 1.14 |
| 2 | 4.30 ± 0.10 | 14.01 ± 1.77 | 7.42 ± 0.27 | 7.78 ± 0.87 |
| 6 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
| 7 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
| 8 | 0.00 ± 0.00 | 4.45 ± 0.43 | 0.00 ± 0.00 | 4.60 ± 0.34 |
| gp | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
| H2O | 12.08 ± 0.43 | 21.00 ± 1.07 | 7.34 ± 0.26 | 9.00 ± 0.54 |
a
Values means ± SD. The length < 2.0 mm was regarded as no germination.