| ΔSm | Carbon isotope discrimination in dry matter of stem |
| ΔLm | Carbon isotope discrimination in dry matter of flag leaf |
| ΔCm | Carbon isotope discrimination in dry matter of chaff |
| ΔAm | Carbon isotope discrimination in dry matter of awns |
| ΔGm | Carbon isotope discrimination in dry matter of grain |
| ΔSs | carbon isotope discrimination in sap of stem |
| ΔLs | carbon isotope discrimination in sap of flag leaf |
| ΔCs | carbon isotope discrimination in sap of chaff |
| ΔAs | carbon isotope discrimination in sap of awns |
| PH | Plant height |
| LIL | Last internode length |
| GY | Grain yield |
| NGS | Number of grains per spike |
| TKW | thousand kernels weight |
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