Table 3.
Proportion of cd content in DPW at grain filling and maturity stages
| Tissues | Grain filling | Maturity | Change value | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CK | FeCl3 | Fe2(SO4)3 | CK | FeCl3 | Fe2(SO4)3 | CK | FeCl3 | Fe2(SO4)3 | |
| Grains | 0.31% ± 0.01 a | 0.20% ± 0.02 c | 0.28% ±0.01 b | 2.13% ± 0.12 A | 1.56% ± 0.21 B | 1.46% ± 0.17 B | 1.82% | 1.36% | 1.18% |
| Rachises | 1.62% ± 0.12 a | 0.89% ± 0.15 b | 1.15% ± 0.11 b | 3.11% ± 0.26 A | 2.51% ± 0.14 B | 2.78% ± 0.19 A | 1.48% | 1.62% | 1.63% |
| Glumes | 6.25% ± 0.54 a | 1.93% ± 0.32 b | 1.25% ± 0.25 c | 7.37% ± 0.23 C | 8.47% ± 0.19 B | 9.82% ± 0.32 A | 1.11% | 6.54% | 8.57% |
| Node 1 | 3.13% ± 0.17 a | 2.45% ± 0.22 b | 2.94% ± 0.12 a | 3.72% ± 0.23 A | 2.81% ± 0.43 B | 2.53% ± 0.31 B | 0.58% | 0.36 | -0.41% |
| Internode 1 | 8.88% ± 0.22 a | 6.47% ± 0.32 b | 8.95% ± 0.17 a | 11.15% ± 0.16 A | 9.78% ± 0.25 B | 8.74% ± 0.31 C | 2.27% | 3.31% | -0.20% |
| Flag leaves | 6.10% ± 0.12 b | 8.67% ± 0.43 a | 9.12% ± 0.37 a | 11.24% ± 0.24 A | 8.39% ± 0.35 C | 9.79% ± 0.42 B | 5.14 | -0.28% | 0.66% |
| Lower nodes | 6.29% ± 0.31 a | 4.97% ± 0.24 b | 4.82% ± 0.18 b | 4.94% ± 0.13 B | 5.03% ± 0.11 B | 6.28% ± 0.32 A | -1.35% | 0.05% | 1.46% |
| Lower internodes | 17.02% ± 0.11 b | 19.58% ± 0.32 a | 19.81% ± 0.26 a | 9.23% ± 0.17 B | 11.46% ± 0.32 A | 10.78% ± 0.43 A | -7.79 | -8.12% | -9.03% |
| Lower leaves | 31.66% ± 0.54 b | 35.25% ± 0.39 a | 37.36% ± 0.27 a | 37.55% ± 0.65 B | 40.35% ± 0.47 B | 41.74% ± 0.28 A | 5.89% | 5.10% | 4.38% |
| Roots | 18.73% ± 0.76 a | 19.59% ± 0.34 a | 14.31% ± 0.46 b | 9.57% ± 0.13 A | 9.64% ± 0.22 A | 6.07% ± 0.43 B | -9.16 | -9.95% | -8.24% |
Values are presented as means ± standard deviation (n = 3); different lowercase and uppercase letters indicate the significant differences in tissue proportion of Cd content