Table 3.
Effect of different concentration of distillery sludge leachate on seedling growth of Phaseolus mungo L.
| Concentration (%) | Germination (%) |
Relative toxicity (%) |
Radical length (cm) |
Germination index |
Phytotoxicity (%) |
Stress tolerance index |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Untreated | Treated | Untreated | Treated | Untreated | Treated | Untreated | Treated | Untreated | Treated | Untreated | Treated | |
| 1 | 100 @ 0.00± | 100 @ 0.00 | 00 @ 00 ± | 00 @ 0.00 | 1.9 @ 0.04 ± | 2.00 @ 0.01ˆa | 0.95 @ 0.10± | 1.0 @ 0.08ˆa | 5.0 @ 0.01 ± | 00 @ 00ˆns | 0.95 @ 0.02± | 1.00 @ 0.01ˆns |
| 2.5 | 90 @ 0.00 ± | 100 @ 0.00 | 10 @ 0.00 ± | 00 @ 00 | 0.75 @ 0.02± | 2.00 @ 0.02ˆa | 0.33 @ 0.02± | 1.0 @ 0.01ˆa | 62.50 @ 2.77± | 00 @ 00ˆa | 0.37 @ 0.01± | 1.00 @ 0.04ˆa |
| 5.0 | 78 @ 0.00 ± | 90 @ 0.00 | 22 @ 0.00 ± | 10 @ 0.00 | 0.50 @ 0.04± | 1.9 @ 0.02ˆa | 0.19 @ 0.00± | 0.85 @ 0.00ˆa | 75 @ 2.98 ± | 5.0 @ 1.4ˆa | 0.25 @ 0.03± | 0.95 @ 0.00ˆa |
| 10 | NG | 85 @ 0.00 | NG | 15 @ 0.00 | NG | 1.1 @ 0.01ˆa | NG | 0.46 @ 0.00ˆa | NG | 45 @ 1.2ˆa | NG | 0.55 @ 0.00ˆa |
| Control | 100 @ 00 ± | 100 @ 00 | 00 @ 00 ± | 00 @ 00 | 2.00 @ 0.10± | 2.00 @ 0.18ˆns | 00 @ 00 ± | 00 @ 00 | 00 @ 00 ± | 00 @ 00 | 00 @ 00 ± | 00 @ 00 |
NG, no germination was observed; All the values are means of triplicate (n = 3) ± SD. The statistical significance between the values of untreated to their respective treated samples was evaluated by one-way ANOVA. aSignificant level p < 0.001. nsNon-significant level p > 0.05. Control; tap water.