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Parameters for Sirius responses to high temperature during anthesis and grain filling used for heat-sensitive (HS) and heat-tolerant (HT) ideotypes
| Parameter | Symbol | HS | HT |
|---|---|---|---|
| Leaf senescence | |||
| Temperature threshold (°C) | TL | 28.93 | |
| Slope of temperature increase (°C–1) | SL | 0.108 | |
| Grain number | |||
| Temperature threshold (°C) | TN | 27 | NA |
| Slope of grain number reduction (°C–1) | SN | 0.125 | NA |
| Maximum grain weight | |||
| Temperature threshold (°C) | TW | 30 | NA |
| Slope of maximum grain weight reduction (°C–1) | S W | 0.004 | NA |
