Table 4.
Symbiotic responses of Glycine soja accessions CH2, CH3, and CH4 to inoculation with diverse S. fredii HH103 and NGR234 mutants affected in the Type Three Secretion System (T3SS).
| Treatments | Number of | Dry weight of | Shoot dry |
|---|---|---|---|
| nodules | nodules (mg) | weight (mg) | |
| Glycine soja CH2 | |||
| HH103-1 | 0.0 | 0.0 | 15.7 ± 5.2b |
| SVQ288 | 7.1 ± 1.4a | 13.0 ± 1.5a | 49.1 ± 9.6b |
| SVQ533 | 7.0 ± 4.1a | 16.6 ± 9.7a | 96.8 ± 58.8a |
| Uninoculated | 0.0 | 0.0 | 18.2 ± 9.0b |
| NGR234 | 16.2 ± 16.8 | 3.75 ± 4.6 | 105.6 ± 70.5a |
| NGRΩrhcN | 0.0 | 0.0 | 16.3 ± 13.4b |
| NGRΩttsI | 0.0 | 0.0 | 23.3 ± 14.3b |
| Uninoculated | 0.0 | 0.0 | 18.2 ± 9.0b |
| Glycine soja CH3 | |||
| HH103-1 | 17.4 ± 6.4a | 42.3 ± 11.1a | 243.5 ± 61a |
| SVQ288 | 12.1 ± 6.3a | 31.3 ± 6.1ab | 213.5 ± 19ab |
| SVQ533 | 9.6 ± 7a | 19.0 ± 8.8b | 170.1 ± 55.6b |
| Uninoculated | 0.0 | 0.0 | 14.5 ± 2.2c |
| NGR234 | 2.0 ± 3.3 | 4.9 ± 5.8 | 101.5 ± 88.8a |
| NGRΩrhcN | 0.0 | 0.0 | 27.8 ± 9b |
| NGRΩttsI | 0.0 | 0.0 | 32.8 ± 14.1b |
| Uninoculated | 0.0 | 0.0 | 14.5 ± 2.2b |
| Glycine soja CH4 | |||
| HH103-1 | 26.1 ± 8.1a | 59.4 ± 23.8a | 858.0 ± 316.2a |
| SVQ288 | 12.6 ± 8.4b | 52.9 ± 35.4a | 762.8 ± 398.6a |
| SVQ533 | 14.9 ± 1.6b | 60.8 ± 7a | 774.5 ± 132.7a |
| Uninoculated | 0.0 | 0.0 | 23.0 ± 5.8b |
| NGR234 | 6.6 ± 1.9a | 19.0 ± 5.2a | 269.8 ± 70.7a |
| NGRΩrhcN | 4.5 ± 3.6ab | 13.6 ± 8.5a | 262.9 ± 116a |
| NGRΩttsI | 2.7 ± 2.3bc | 3.8 ± 4.8b | 61.7 ± 33.1b |
| Uninoculated | 0.0 | 0.0 | 23.0 ± 5.8b |
Numbers refer to mean values (±standard deviations) per plant of three Leonard jars, each containing two plants. Statistical comparisons among inoculations are shown using ANOVA. For each parameter, data followed by the same letter are not significantly different at α = 5%.