Table 1.
Phytotoxic effects of ethanol extracts of different plant parts of P. harmala at 0.05 g/mL.
| Wheat | Lettuce | |||
|---|---|---|---|---|
| Root length (cm) | Shoot length (cm) | Root length (cm) | Shoot length (cm) | |
| Control | 6.01 ± 0.45 a | 2.12 ± 0.10 a | 3.55 ± 0.08 a | 1.38 ± 0.05 a |
| Leaf | 1.54 ± 0.06 b | 1.11 ± 0.02 bc | 0.31 ± 0.01 b | 0.53 ± 0.04 bc |
| Stem | 0.96 ± 0.31 b | 1.55 ± 0.03 b | 0.28 ± 0.06 bc | 0.87 ± 0.23 b |
| Root | 1.01 ± 0.25 b | 0.99 ± 0.29 c | 0.15 ± 0.01 c | 0.45 ± 0.01 cd |
| Seed | 0.61 ± 0.09 b | 0.78 ± 0.03 c | 0.14 ± 0.01 c | 0.13 ± 0.01 d |
Means within a column followed by the same letter are not different at p < 0.05 level according to Fisher’s LSD test. Each value is the mean of three replicates ± SE.