Table 4.
IC50 (mg/mL) values of selected S. alopecuroides alkaloids on receiver species via pot experiments.
| Alkaloids | A. retroflexus | M. sativa | L. perenne | S. viridis | Average Value of IC50 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Root | Shoot | Root | Shoot | Root | Shoot | Root | Shoot | Root | Shoot | Root + Shoot | |
| (1) Aloperine | 15.493 | 11.730 | 3.634 | 4.139 | 12.905 | 6.350 | 31.652 | 10.911 | 15.921 | 8.283 | 12.102 |
| (2) Matrine | 2.756 | 3.645 | 3.323 | 16.524 | 8.810 | 8.324 | 3.616 | 9.683 | 4.626 | 9.544 | 7.085 |
| (3) Oxymatrine | 1.550 | 2.382 | 4.203 | 7.428 | 12.065 | 4.905 | 12.086 | 3.587 | 7.476 | 4.576 | 6.026 |
| (4) Oxysophocarpine | 1.711 | 3.027 | 4.381 | 11.219 | 11.401 | / | 15.896 | 43.086 | 8.347 | 19.111 | 27.458 |
| (5) Sophocarpine | 3.931 | 3.646 | 9.602 | 4.177 | 3.315 | 7.148 | 9.247 | 8.552 | 6.524 | 5.881 | 6.203 |
| (6) Sophoridine | 5.035 | 5.188 | / | 472.484 | 3.264 | 6.190 | 37.014 | 6.668 | 15.104 | 122.634 | 68.869 |
| (7)Average of individual alkaloid | 5.079 | 4.936 | 5.029 | 85.995 | 8.627 | 6.583 | 18.252 | 13.748 | 9.666 | 28.338 | 21.291 |
| (8) Mixture | 2.571 | 3.422 | 4.857 | 40.489 | 9.108 | 5.190 | 3.411 | / | 4.987 | 16.637 | 10.677 |
IC 50: the inhibitory concentration required for 50% inhibition. /: represents an invalid value. Bolded values represent the most potent effects of the alkaloids with the most significant phytotoxic activity.