Table 2.
Seed germination parameters in tomato seeds treated with suspensions of silica nanoparticles of different sizes and at different concentrations. Different letters indicate significant differences (p ≤ 0.05) according to the Duncan test.
| Silica Size | Concentration (mg/L) | MGT (Days) | GI | CVG |
|---|---|---|---|---|
| - | 0 (control) | 5.24 ± 0.29 b | 18.8 ± 1.47 b | 19.14 ± 1.01 b |
| Small SiNPs | 10 | 5.04 ± 0.27 ab | 19.8 ± 1.33 ab | 19.9 ± 1.07 ab |
| 100 | 4.8 ± 0.34 a | 21 ± 1.67 a | 20.93 ± 1.44 ab | |
| 1000 | 4.64 ± 0.29 a | 21.8 ± 1.47 a | 21.64 ± 1.34 a | |
| 2000 | 5.04 ± 0.08 ab | 19.8 ± 0.4 ab | 19.85 ± 0.31 ab | |
| Large SiNPs | 10 | 4.92 ± 0.2 ab | 20.4 ± 1.02 ab | 20.36 ± 0.86 ab |
| 100 | 4.68 ± 0.27 a | 21.6 ± 1.36 a | 21.44 ± 1.23 a | |
| 1000 | 4.76 ± 0.34 a | 21.2 ± 1.72 a | 21.12 ± 1.58 a | |
| 2000 | 4.96 ± 0.29 ab | 20.2 ± 1.47 ab | 20.24 ± 1.29 ab |