Table 2. Micronutrient concentrations in shoots and roots of rice plants treated with Ce for 28 d.
| Ce (μM) | Nutrient concentration (mg kg-1 DBW) | ||||
|---|---|---|---|---|---|
| Fe | Cu | Mn | B | Zn | |
| Shoots | |||||
| 0 | 136.15 ± 2.16 a | 6.90 ± 0.83 a | 254.75 ± 38.35 a | 22.00 ± 2.03 a | 11.53 ± 2.14 b |
| 25 | 133.33 ± 9.30 a | 5.25 ± 0.96 a | 257.88 ± 22.07 a | 23.75 ± 1.43 a | 19.53 ± 0.54 a |
| 50 | 127.53 ± 3.96 a | 6.10 ± 0.97a | 254.98± 45.30 a | 18.85 ± 1.07 a | 12.13 ± 1.06 b |
| 100 | 127.05 ± 10.36 a | 5.38 ± 0.50 a | 223.80 ± 12.87 a | 20.03 ± 1.34 a | 17.03 ± 1.41 a |
| Roots | |||||
| 0 | 810.61 ± 57.09 a | 5.13 ± 0.86 a | 42.02 ± 3.56 ab | 27.81 ± 2.77 a | 35.23 ± 4.88 a |
| 25 | 808.90 ± 11.57 a | 7.76 ± 0.51 a | 41.65 ± 2.08 ab | 40.50 ± 3.57 a | 29.84 ± 3.82 ab |
| 50 | 824.42 ± 76.92 a | 8.38 ± 3.55 a | 44.72 ± 2.72 a | 46.43± 11.33 a | 22.07 ± 1.52 b |
| 100 | 600.40 ± 26.09 b | 6.27 ± 0.75 a | 34.43 ± 2.10 b | 38.59 ± 1.31 a | 24.69 ± 0.78 b |
Cerium was supplied into the nutrient solution as CeCl3 7H2O. Means ± SD with different letters in each column per organ indicate statistical differences among treatments (Duncan, P ≤ 0.05). DBW: Dry Biomass Weight.