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Percentage of grain yield (GY) variation across genotypes within each water treatment (WW, IS and SS) explained by the combination of kernel Δ18O, leaf and kernel ash content
| Combination of traits | WW (% GY) | IS (% GY) | SS (% GY) |
|---|---|---|---|
| Leaf ash + kernel ash | 15·2 | 56·3 | 52·2 |
| Leaf ash + kernel Δ18O | 25·0 | 33·5 | 28·2 |
| kernel ash + kernel Δ18O | 24·4 | 60·4 | 35·0 |
| Leaf ash + kernel ash + kernel Δ18O | 26·3 | 60·8 | 52·6 |
