Table 5. Relative sensitivity of B. xylophilus to Ca2+ channel blockers.
| Test compounds | Ca+ channel type | Lethality against B. xylophilus (%)* | ||
| 0.01 mM | 0.1 mM | 1 mM | ||
| HWY-4213 | - | 0.0 | 21.1 (±2.5) | 100.0 |
| Amlodipine | L | 0.0 | 0.0 | 0.0 |
| Bepridil | L | 0.0 | 0.0 | 9.8 (±2.4) |
| Diltiazem | L | 0.0 | 0.0 | 2.5 (±1.2) |
| Felodipine | L | 0.0 | 0.0 | 10.1 (±3.2) |
| Isradipine | L | 0.0 | 0.0 | 5.6 (±2.6) |
| Nicardipine | L | 0.0 | 0.0 | 0.0 |
| Nifedipine | L | 0.0 | 0.0 | 0.0 |
| Nimodipine | L | 0.0 | 0.0 | 0.0 |
| Verapamil | L | 0.0 | 0.0 | 24.3 (±5.1) |
| Mibefradil | T | 0.0 | 0.0 | 36.8 (±5.7) |
*Values are mean±SD (n = 3).