Table 2.
Characteristics of S. halepense seedlings grown under different alkaloid concentrations
| Characters |
Concentration of
D. stramonium
extract (μg/g) |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Flower extract | Leaf extract | ||||||||
| Root |
(IV) |
(III) |
(II) |
(I) |
(IV) |
(III) |
(II) |
(I) |
|
| Allelopathic efficiency(AE) (μg/g) |
0.42 |
0.45 |
0.48 |
0.61 |
0.44 |
0.52 |
0.68 |
0.72 |
|
| Biological absorption coefficient |
0.14 |
0.079 |
0.049 |
0.037 |
0.28 |
0.171 |
0.13 |
0.116 |
|
| Characters |
Concentration of D. stramonium extract (μg/g) |
||||||||
| |
Flower extract |
Leaf extract |
|||||||
| Seedling |
(I) |
(II) |
(III) |
(IV) |
(I) |
(II) |
(III) |
(IV) |
|
| Allelopathic efficiency(AE) (μg/g) |
0.25 |
0.31 |
0.37 |
0.39 |
0.27 |
0.35 |
0.43 |
0.47 |
|
| Biological absorption coefficient | 0.46 | 0.25 | 0.06 | 0.053 | 0.07 | 0.048 | 0.039 | 0.03 | |