Table 2.
Nodulation efficiency of different S. meliloti strains
Percentage of pink nodules and average number of nodules per plant were determined using seven 4-week-old alfalfa plants for each of the six bacterial strains. The results are means±sd of three independent repeats.
| Strain | Pink nodules (%) | Nodules per plant |
|---|---|---|
| Rm1021 | 94.15±5.58 | 4.79±0.38 |
| exoY210 | 0.00±0.00 | 5.43±0.65 |
| exoR95 | 15.74±4.03 | 7.00±0.65 |
| exoS96 | 79.33±6.51 | 5.93±1.17 |
| exoR95exoS* | 95.96±7.00 | 5.43±1.08 |
| exoR95exoSsupA | 95.63±5.12 | 4.43±0.76 |