Table 4.
The in vivo inhibitory and plant growth-promoting activity of endophytic Bacillus strains on pearl millet plants under glasshouse conditions
| Treatment (s) | Shoot length (cm) | Root length (cm) | Fresh weight (g) | Dry weight (g) | PDI (%) | PDC (%) |
|---|---|---|---|---|---|---|
| T1: EPP5 + FS | *16.52 ± 0.98c | 8.52 ± 0.46bc | 5.651 ± 0.95abc | 2.654 ± 0.54ab | 41.51 ± 1.51c | 45.74 |
| T2: EPP62 + FS | 14.95 ± 1.18e | 7.46 ± 1.11c | 5.214 ± 0.66bcd | 2.252 ± 0.58bc | 49.21 ± 3.31b | 35.68 |
| T3: EPP65 + FS | 15.20 ± 1.02d | 7.97 ± 1.10b | 4.821 ± 0.46d | 1.952 ± 0.49d | 48.98 ± 3.11b | 35.98 |
| T4: EPP5 + EPP62 + FS | 16.98 ± 0.98c | 8.75 ± 0.97b | 5.947 ± 0.43abc | 2.784 ± 0.28ab | 38.33 ± 3.01c | 49.90 |
| T5: EPP5 + EPP65 + FS | 16.77 ± 0.92c | 8.65 ± 0. 74b | 5.827 ± 0.31ab | 2.624 ± 0.38ab | 35.45 ± 2.91c | 53.67 |
| T6: EPP62 + EPP65 + FS | 17.52 ± 0.28bc | 8.94 ± 0.66ab | 6.121 ± 0.94abc | 2.722 ± 0.62ab | 33.58 ± 1.91d | 56.11 |
| T7: EPP5 + EPP62 + EPP65 + FS | 18.95 ± 1.20a | 9.85 ± 0.97a | 6.594 ± 1.05a | 2.854 ± 0.31a | 21.45 ± 2.91e | 71.96 |
| T8: Control (sterilized soil without FS) | 12.41 ± 0.79f | 6.13 ± 0.85d | 5.028 ± 1.27cd | 2.101 ± 0.44cd | - | - |
| T9: FS only | 1.10 ± 0.52g | 1.45 ± 0.74e | 1.114 ± 1.11e | 0.85 ± 0.05e | 76.51 ± 1.91a | - |
*Data were analyzed for significance with analysis of variance (ANOVA) followed by DMRT test (p = 0.05). Values with different letter indications represent a statistically significant difference; PDI, per cent disease index; PDC, percent disease over control