Table 3.
Concentration of narciclasine and lycorine in ten flower bulb methanol extracts inhibiting germination of Senecio vulgaris seeds.
| No. | Plant name | Narciclasine | Lycorine | ||
|---|---|---|---|---|---|
| µM | mg/kgW | µM | mg/kgW | ||
| 1. | Narcissus pseudonarcissus cv. Carlton | 0.88 a | 0.27 a | nd | nd |
| 2. | Narcissus tazetta cv. Grand soleil d’or | nd | nd | 8.58 a | 2.47 a |
| 3. | Narcissus tazetta cv. Avalanche | 0.20 a | 0.06 a | 5.22 a | 1.50 a |
| 4. | Hippeastrum Hybrid cv. Misty | nd | nd | 3.26 b | 0.94 b |
| 5. | Narcissus poeticus cv. Recurvus | 0.07 b | 0.02 b | 2.14 b | 0.61 b |
| 6. | Hippeastrum cybister cv. Chico | nd | nd | nd | nd |
| 7. | Crinum asiaticum cv. Sandarium | nd | nd | 5.36 b | 1.54 b |
| 8. | Amaryllis belladonna | nd | nd | 23.21 b | 6.67 b |
| 9. | Nerine sarniensis | nd | nd | 29.43 b | 8.45 b |
| 10. | Hymenocallis festalis cv. Zwanenburg | nd | nd | nd | nd |
a: in fresh bulbs; b: in dried bulbs; nd: not detected.