Table 4. Effect of powder formulation of biocontrol bacterial isolate ETR17 on the growth of tea plants (TS-520) during in vivo study.
| Treatment | Plant response | |||||
|---|---|---|---|---|---|---|
| Shoot length (cm) | Increase in shoot length (cm) | Root length (cm) | Increase in root length (cm) | |||
| (0 day) | (45 days) | (0 day) | (45 days) | |||
| Control (Sterilized soil) | 12.0±0.5a | 15.0±0.4a | 3.0 ±0.3a | 7.5 ±0.3a | 10.0±0.3a | 2.5 ±0.3a |
| Control (Unsterilized soil) | 11.6±0.3a | 15.0±0.6a | 3.4 ±0.5a | 10.0 ±0.5a | 12.0 ±0.4ab | 2.0±0.5a |
| ETR17 (Sterilized soil) | 12.0±0.4a | 18.0±0.5b | 6.0±0.4b | 8.5±0.2a | 13.2 ±0.4b | 4.7 ±0.4b |
| ETR17 (Unsterilized soil) | 12.8±0.5a | 19.2±0.3b | 6.4±0.3b | 10.0±0.7a | 13.8±0.5b | 3.8±0.2ab |
| LSD (0.5%) | 1.4 | 1.5 | 1.2 | 1.5 | 1.3 | 1.2 |
Means ± standard error followed by same superscript letters do not differ significantly at P<0.05