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| IAA (μg mL–1) |
|||||
|---|---|---|---|---|---|
| treatment | mean concentration(μg mL–1) | P. mosselii | S. meliloti | A. chroococcum | mean value |
| control | 0 | 75.6 ± 3.87 | 46.2 ± 2.45 | 62.5 ± 4.63 | 61.4 |
| Ag-NPs | 387.5 | 27.7 ± 11.6 (63) | 12.1 ± 7.5 (74) | 32 ± 13.2 (49) | 24 |
| ZnO-NPs | 387.5 | 23.1 ± 13.8 (69) | 20.7 ± 10.14 (55) | 17.2 ± 10.6 (72) | 20.3 |
Values are mean of three independent replicates; values in parenthesis indicate percent reduction in IAA secretion over control.
