Table 1 Thermal spectral irradiance at plant physiological wavelengths. Plants efficiently sense UV-B, blue (B), red (R), and far-red (FR) lights using distinct photoreceptors.
From: Physicochemical modeling of the phytochrome-mediated photothermal sensing
Light regime | Wavelength | Solar radiation (W m−2 nm−1) | Thermal radiation (W m−2 nm−1) | |||||
|---|---|---|---|---|---|---|---|---|
4 °C | 12 °C | 16 °C | 22 °C | 28 °C | 37 °C | |||
UV-B | 310 nm | 0.91 | 1.53 × 10−65 | 1.70 × 10−63 | 1.63 × 10−62 | 4.29 × 10−61 | 9.93 × 10−60 | 8.81 × 10−58 |
B | 470 nm | 1.77 | 1.08 × 10−41 | 2.43 × 10−40 | 1.08 × 10−39 | 9.37 × 10−39 | 7.47 × 10−38 | 1.45 × 10−36 |
R | 660 nm | 1.52 | 2.27 × 10−28 | 2.06 × 10−27 | 5.93 × 10−27 | 2.74 × 10−26 | 1.19 × 10−25 | 9.70 × 10−25 |
FR | 730 nm | 1.35 | 1.44 × 10−25 | 1.08 × 10−24 | 2.82 × 10−24 | 1.14 × 10−23 | 4.35 × 10−23 | 2.95 × 10−22 |
IR | 10 μm | 2.86 × 10−4 | 0.0210 | 0.0243 | 0.0260 | 0.0288 | 0.0318 | 0.0366 |
