Table 2.
Effects of Se application on elements concentrations in the grain of wheat during two seasons.
| Years | Cultivars | Heavy metal element (mg·kg-1) | Trace element (mg·kg-1) | Major element (mg·kg-1) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cr | Cd | Pb | Fe | Mn | Cu | Zn | Ca | Mg | |||
| 2017-2018 | Shannong 129 | Se0 | 0.48 b | 0.04 a | 0.06 c | 10.49 c | 34.03 a | 7.58 a | 24.95 d | 79.99 c | 1450.06 d |
| SeF | 0.47 c | 0.03 c | 0.04 d | 27.68 ab | 32.20 a | 7.15 a | 28.68 b | 110.04 b | 1823.34 b | ||
| SeS | 0.48 b | 0.03 c | 0.07 bc | 29.94 a | 33.18 a | 7.18 a | 27.13 c | 90.66 c | 1491.07 d | ||
| 202w17 | Se0 | 0.49 a | 0.05 a | 0.11 a | 28.32 ab | 34.26 a | 7.56 a | 27.06 c | 104.54 b | 1512.02 d | |
| SeF | 0.46 c | 0.03 b | 0.08 b | 29.74 a | 33.82 a | 7.69 a | 32.21 a | 156.32 a | 1899.42 a | ||
| SeS | 0.48 b | 0.03 b | 0.07 bc | 24.74 b | 32.38 a | 7.78 a | 28.18 b | 110.34 b | 1650.85 c | ||
| 2018-2019 | Shannong 129 | Se0 | 0.48 a | 0.05 a | 0.06 cd | 10.77 c | 34.70 a | 7.65 a | 25.39 c | 83.51 c | 1456.02 d |
| SeF | 0.47 b | 0.03 d | 0.04 e | 28.16 ab | 33.20 a | 7.21 a | 28.86 b | 111.37 b | 1823.67 b | ||
| SeS | 0.48 a | 0.03 d | 0.06 d | 29.69 a | 32.18 a | 7.28 a | 27.47 b | 91.31 c | 1506.07 d | ||
| 202w17 | Se0 | 0.49 a | 0.05 b | 0.11 a | 28.37 ab | 34.12 a | 7.57 a | 27.75 b | 105.21 b | 1515.35 d | |
| SeF | 0.47 b | 0.03 c | 0.08 b | 30.49 a | 33.15 a | 7.42 a | 32.39 a | 157.93 a | 1897.55 a | ||
| SeS | 0.48 a | 0.03 c | 0.07 bc | 26.07 b | 31.71 a | 7.26 a | 28.54 b | 111.34 b | 1655.84 c | ||
Se0, no Se control; SeF, foliar spray of Se; SeS, soil application of Se. The means are not significantly different within a given season when followed by the same lowercase letter using LSD at P < 0.05.