Table 2 Effect of AwOcstreb1 inoculation on growth-related parameters, metabolite content, salinity tolerance, and yield parameters under normal and saline stress conditions (100Â mM and 45Â mM at seedling and reproductive stages, respectively)
From: Plant growth-promoting endophytic fungi of the wild halophytic rice Oryza coarctata
| Â | Treatments | Control | AwOcstreb1 | Percent change (vs control) | P value |
|---|---|---|---|---|---|
Growth related parameters | |||||
 Root length (cm) | No salt | 3.7 | 5 | 35.13% |  < 0.001 |
Salt stress | 4.4 | 5.3 | 20.45% | 0.01 | |
 Shoot length (cm) | No salt | 33.6 | 42.3 | 25.83% |  < 0.001 |
Salt stress | 27.6 | 32.7 | 18.47% | 0.004 | |
 Root weight (mg) | No salt | 24.9 | 72.1 | 189.55% |  < 0.001 |
Salt stress | 31.1 | 58.5 | 88.10% | 0.002 | |
 Shoot weight (mg) | No salt | 285.3 | 729.2 | 155.59% |  < 0.001 |
Salt stress | 162 | 358.9 | 121.54% |  < 0.001 | |
Plant metabolites content | |||||
 Chlorophyll content (mg/g) | No salt | 0.0029 | 0.0041 | 37.10% | 0.001 |
Salt stress | 0.0014 | 0.0021 | 47.51% | 0.004 | |
 Total protein (µg/ml) | No salt | 151 | 239.33 | 58.49% | NS |
Salt stress | 144.33 | 191 | 32.33% | NS | |
 Total sugar (µg/ml) | No salt | 107.33 | 841.43 | 683.94% | 0.008 |
Salt stress | 350.41 | 541.94 | 54.66% | NS | |
 Total flavonoids (µg/g) | No salt | 0.236 | 0.427 | 80.99% | 0.007 |
Salt stress | 0.23 | 0.391 | 69.73% | 0.02 | |
 Phenolic content(µg/g) | No salt | 0.426 | 0.79 | 85.32% |  < 0.001 |
Salt stress | 0.931 | 0.942 | 1.16% | NS | |
Salt stress related parameters | |||||
 H2O2 content | No salt | 523.57 | 459.6 | (-)13.91% | NS |
Salt stress | 623.12 | 462.56 | (-)34.7% |  < 0.001 | |
 Electrolyte leakage | No salt | 0.4 | 0.4 | 0 | NS |
Salt stress | 0.86 | 0.73 | (-)17.42% | 0.02 | |
 Na+/K+ ratio in root | No salt | 0.9 | 0.13 | (-)547.78% | NS |
Salt stress | 2.89 | 1.57 | (-)84.25% | 0.02 | |
 Na+/K+ ratio in shoot | No salt | 0.038 | 0.03 | (-)7.76% | NS |
Salt stress | 1.26 | 0.81 | (-)55.44% |  < 0.001 | |
Reproductive stage parameters | |||||
 Plant height (cm) | No salt | 87.33 | 102.66 | 17.55% | 0.008 |
Salt stress | 81 | 93 | 14.81% | 0.02 | |
 Total tillering | No salt | 4 | 9.5 | 137.50% |  < 0.001 |
Salt stress | 3.5 | 7.25 | 107.14% |  < 0.001 | |
 Panicle number | No salt | 3 | 7 | 133.33% | 0.002 |
Salt stress | 3.33 | 6.66 | 100% | 0.02 | |
 Filled grain number | No salt | 81.33 | 228.66 | 181.14% | 0.02 |
Salt stress | 61.66 | 207.33 | 236.21% | 0.02 | |
 % fertility | No salt | 47.12 | 59.02 | 25.23% | 0.01 |
Salt stress | 41.29 | 53.89 | 30.51% | 0.001 | |
 Yield | No salt | 1.28 | 2.9 | 125.16% | 0.04 |
Salt stress | 0.91 | 2.76 | 203.96% | 0.03 | |