Table 2.
Synergistic effects of the bacterial strains (Bacillus cereus and Lysinibacillus macroides) and ZnO NPs (5 and 10 mg/L) on heavy metal uptake (mg/L) and reduction (%) of rice seedling grown in HM polluted water.
Treatments | Lead (1.738 mg/L) |
Cadmium (0.298 mg/L) |
Chromium (0.187 mg/L) |
Copper (0.581 mg/L) |
||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Water Analysis (mg/L) | Plant Uptake (mg/L) |
Remediation (%) | Water Analysis (mg/L) | Plant Uptake (mg/L) |
Remediation (%) | Water Analysis (mg/L) | Plant Uptake (mg/L) | Remediation (%) | Water Analysis (mg/L) | Plant Uptake (mg/L) |
Remediation (%) | |
Polluted water | 1.645 | 0.234 | 9.3 | 0.296 | 0.028 | 2.84 | 0.161 | 0.025 | 2.59 | 0.498 | 0.288 | 8.3 |
Bacillus cereus (B.C.) | 1.623 | 0.184 | 11.5 | 0.219 | 0.0218 | 7.9 | 0.154 | 0.022 | 3.3 | 0.465 | 0.263 | 11.6 |
Lysinibacillus macroides (L.M.) | 1.633 | 0.201 | 10.5 | 0.221 | 0.0236 | 7.7 | 0.156 | 0.025 | 3.1 | 0.476 | 0.255 | 10.5 |
5 mg/L ZnO NPs | 1.564 | 0.12 | 17.4 | 0.165 | 0.0165 | 13.3 | 0.112 | 0.016 | 7.5 | 0.421 | 0.228 | 16 |
10 mg/L ZnO NPs | 1.587 | 0.142 | 15.1 | 0.154 | 0.0188 | 14.4 | 0.123 | 0.019 | 6.4 | 0.425 | 0.25 | 15.6 |
(5 + B.C.) | 1.32 | 0.046 | 41.8 | 0.09 | 0.0066 | 20.8 | 0.057 | 0.005 | 13 | 0.321 | 0.167 | 26 |
(5 + L.M.) | 1.35 | 0.049 | 38.8 | 0.12 | 0.0054 | 17.8 | 0.059 | 0.0027 | 12.8 | 0.356 | 0.17 | 22.5 |
(10 + B.C.) | 1.38 | 0.064 | 35.8 | 0.112 | 0.0128 | 18.6 | 0.078 | 0.012 | 10.9 | 0.376 | 0.189 | 20.5 |
(10 + L.M.) | 1.39 | 0.068 | 34.8 | 0.125 | 0.0131 | 17.3 | 0.089 | 0.01 | 9.8 | 0.399 | 0.192 | 18.2 |