Table 3.
Effect of agronomic bio-fortification of Zn on grain Zn concentration in wheat
| Wheat type | Application method | Application rate (ZnSO4·7H2O) | Grain Zn concentration in control (mg kg−1) | % increase in Zn concentration in treatment over control | References |
|---|---|---|---|---|---|
| Bread wheat | Foliar application | 0.5% | 31.8 | 112.3 | Dhaliwal et al. (2019) |
| Triticale | Foliar application | 30.5 | 117.7 | ||
| Durum wheat | Foliar application | 27.7 | 133.9 | ||
| Bread wheat | Seed priming | 0.3% | 30.7 | 13.4 | Chattha et al. (2017) |
| Soil application | 10 kg Zn ha−1 | 30.7 | 29.6 | ||
| Foliar application | 0.5% | 30.7 | 70.7 | ||
| Bread wheat | Foliar application | 0.1% | 30.3 | 11.9 | Jalal et al. (2020) |
| 0.2% | 12.5 | ||||
| 0.3% | 27.7 | ||||
| 0.4% | 29.0 | ||||
| Bread wheat | Foliar application at tillering, booting and milking stage | 0.2% | 18 | 170.3 | Kiran et al. (2021) |
| Bread wheat | Soil + foliar application | 11.5 kg Zn ha−1 and 0.4% | 18.5 | 78.5 | Afzal et al. (2017) |