Table 3.
Effect of metal and metal oxide nanoparticles on dry matter of roots, stems and leaves of Lycopersicon esculentum plants grown in pots
| Treatment | Root | Stem | Stem | Root elongation | Plant height | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| g | SD | g | SD | g | SD | cm | SD | cm | SD | |
| Control | 1.9 b | 0.1 | 20.5 b | 0.9 | 25.2 a | 1.1 | 22 ab | 1.3 | 98 a | 3.8 |
| Ag-NPs | 1.6 b | 3.3 | 26.2 a | 1.2 | 24.2 a | 0.9 | 19 b | 1.5 | 82 b | 5.3 |
| Co-NPs | 1.5 b | 0.3 | 10.3 d | 1.1 | 18.3 b | 1.5 | 15 b | 2.8 | 84 b | 4.2 |
| Ni-NPs | 1.0 bc | 0.3 | 26.1 a | 1.2 | 12.1 d | 0.9 | 15 b | 3.2 | 93 ab | 5.1 |
| CeO2-NPs | 2.2 ab | 0.2 | 13.1 cd | 1.4 | 15.7 c | 0.7 | 23 ab | 2.1 | 109 a | 3.1 |
| Fe3O4-NPs | 4.8 a | 0.2 | 18.1 c | 0.8 | 18.9 b | 1.3 | 25 a | 2.3 | 106 a | 3.5 |
| SnO2-NPs | 0.7 c | 0.2 | 5.4 e | 0.7 | 16.8 c | 1.5 | 11 b | 3.7 | 104 a | 3.4 |
| TiO2-NPs | 1.4 b | 0.1 | 19.2 b | 1.1 | 18.8 b | 0.8 | 17 b | 2.1 | 110 a | 4.1 |
Means followed by a different letter within a row are significantly different at p < 0.05 according to Duncan’s multiple range test [58]