Table 1.
Summary of chilling functions developed by previous studies. Tlower and Tupper represent the lower and upper threshold for effective chilling, respectively.
| Type | Code | T lower (°C) | T upper (°C) | Reference |
|---|---|---|---|---|
| Functions based on assumed temperature response | ADN | 1.4 | 15.9 | (Richardson et al., 1974; Luedeling et al., 2009) |
| ASN1 | 0 | 7.2 | (Weinberger, 1950; Luedeling et al., 2009; Rezazadeh and Stafne, 2018) | |
| ASN2 | 0 | 5 | (Fu et al., 2015; Ma et al., 2018) | |
| ASF | −∞ | 5 | (Cannell and Smith, 1983; Du et al., 2019; Wang et al., 2022b) | |
| ADF | −4.7 | 16 | (Harrington et al., 2010) | |
| Functions based on inverse modelling | IDF1 | −23 | 18 | (Caffarra et al., 2011) |
| IDF2 | −2 | 12 | (Lin et al., 2022) | |
| IDN | 3 | 17 | (Chuine, 2000) | |
| Functions based on experimental data | EDF1 | −3.4 | 10.4 | (Sarvas, 1974; Harrington et al., 2010) |
| EDF2 | −3.4 | 20 | (Zhang et al., 2022) |
First letter of the model code: A, assumed response; I, inverse modelling; E, experiments. Second letter of the model code: D, different response within effective temperature range; S, same response within effective temperature range. Third letter of the model code: F, freezing temperature (< 0 °C) is effective; N, freezing temperature is noneffective.