Table 3.
Analysis of variance (mean squares) for various growth features of S. halepense seedlings grown at different alkaloid concentrations
| Characters | MS Datura s | Significance | MS Conc | Significance | MS Inter | Significance |
|---|---|---|---|---|---|---|
| Germination (%) |
247.80 |
N.S |
38.90 |
N.S. |
141.09 |
N.S. |
| Root length (cm) |
22.79 |
*** |
1.09 |
** |
4.09 |
*** |
| Seedling length (cm) |
4.81 |
* |
9.79 |
*** |
1.21 |
N.S. |
| Seedling/root ratio |
11.98 |
*** |
0.82 |
N.S. |
0.67 |
N.S. |
| Necrotic area (mm) |
0.81 |
N.S |
2.04 |
*** |
0.51 |
N.S. |
| Chlorotic area (mm) | 4.31 | *** | 1.08 | *** | 4.31 | *** |
*,**,***denote significance at P < 0.05, P < 0.01 and P < 0.001 respectively, N.S. = non-significant; MS D. stramonium = Mean square D. stramonium , MSConc = Mean square alkaloid concentration, MSInter = Mean square interaction.