| Bacteria | Regression equation | Chi-square (df) | IC50 with fiducial limits | IC90 with fiducial limits |
| R. solancearum | Y = 1.086 - 1.644 X | 0.156 (2) | 32.55 (5.8 - 55.2) | 492.25 (197.9 - 39033.0) |
| X. gardneri | Y = 1.207 - 2.181 X | 0.050 (2) | 63.99 (32.8 - 111.6) | 737.11 (276.6 - 39355.0) |
| P. carotovorum | Y = 1.570 - 2.625 X | 0.063 (1) | 46.971 (25.8 - 68.4) | 307.64 (167.7 - 1622.8) |