| Plant height (cm) | Shoot DW* (g) | Root FW* (g) | Root DW* (g) |
Control | 20.6 ± 2.1 | 7.2 ± 1.4 | 29.8 ± 5.5 | 3.3 ± 1.0 |
nTiO2, 5 nm | 21.3 ± 2.7 | 6.4 ± 0.8 | 34.3 ± 8.5 | 3.5 ± 0.7 |
nTiO2, 10 nm | 19.3 ± 3.9 | 5.8 ± 0.9 | 35.6 ± 3.4 | 3.5 ± 0.7 |
p-value | 0.953 | 0.150 | 0.530 | 0.925 |