Table 7.
Effects of elevated CO2 (EC), tropospheric O3 (EO) and their interactive condition of elevated CO2X O3 (ECO) on Fe, Cu Zn and Mn contents in ppm units in the grains of two wheat cultivars∗.
| Iron (Fe) |
Copper (Cu) |
Zinc (Zn) |
Manganese (Mn) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Treatments | 2016–17 | 2017–18 | Mean | 2016–17 | 2017–18 | Mean | 2016–17 | 2017–18 | Mean | 2016–17 | 2017–18 | Mean | |
| HD-2967 | Amb | 68 | 75.2 | 71.6 | 6.1 | 6.4 | 6.2 | 48 | 56 | 52 | 43.1 | 39.5 | 41.3 |
| EC | 63.1 | 65.5 | 64.3 | 5.2 | 6.0 | 5.6 | 50 | 40 | 45 | 34.2 | 41.4 | 37.8 | |
| EO | 86.2 | 88.4 | 87.3 | 6.3 | 6.4 | 6.3 | 54.6 | 60 | 57.3 | 52.1 | 46.3 | 49.2 | |
| ECO | 75 | 71 | 73 | 5.5 | 6.7 | 6.1 | 48.7 | 58.7 | 53.7 | 40.0 | 45 | 42.5 | |
| C-306 | Amb | 71.8 | 66.8 | 69.3 | 5.4 | 5.8 | 5.6 | 53.2 | 46.8 | 50 | 35.8 | 44.8 | 40.3 |
| EC | 64.4 | 67.6 | 66 | 5.3 | 4.9 | 5.2 | 38.9 | 46.1 | 42.5 | 39.4 | 33.8 | 36.6 | |
| EO | 78.3 | 80.1 | 79.2 | 6.3 | 6.6 | 6.4 | 55.6 | 61 | 58.3 | 48.1 | 56.3 | 52.2 | |
| ECO | 73 | 72.2 | 72.6 | 5.6 | 5.0 | 5.3 | 55.1 | 49.1 | 52.1 | 37.2 | 44.8 | 41 | |
∗
Determination was done on 32 samples (8 from each replicate for each treatment during each year).