TABLE 3.
Virulence assay of P. carotovorum subsp. carotovorum strains on plant tissuesa
| Plant | Tissue | Inoculum concn (CFU/ml) | Mean maceration area (cm2) ± SD |
||
|---|---|---|---|---|---|
| Z3-3 | Z3-3 (pBBR1MCS-2) | Z3-3 (pB8C-1) | |||
| Potato | Tuber | 2 × 109 | 7.6 ± 1.6 | 13.5 ± 1.5 | 0 |
| 2 × 108 | 11.8 ± 6.6 | 9.8 ± 2.9 | 0 | ||
| Chinese cabbage | Leaf | 2 × 109 | 29.7 ± 9.6 | 23.0 ± 5.9 | 5.0 ± 2.0 |
| 2 × 108 | 19.1 ± 4.1 | 22.3 ± 8.5 | 0 | ||
| Radish | Root | 2 × 109 | 15.9 ± 1.4 | 14.4 ± 1.5 | 0 |
| 2 × 108 | 11.2 ± 4.0 | 10.4 ± 5.0 | 0 | ||
a
The maceration areas were measured 48 h after inoculation; data are means of data from three replicates.