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. 2019 Oct 18;10:1185. doi: 10.3389/fpls.2019.01185

Table 2.

Fitted parameter values for photosynthesis and stomatal conductance models.

Parameter Description Value Units
Photosynthesis
Rd,25 Respiration rate at 25ºC 1.491 µmol m−2 s−1
Vcmax,25 Maximum carboxylation rate at 25ºC 99.5 µmol m−2 s−1
Jmax,25 Maximum electron transport rate at 25ºC 185.0 µmol m−2 s−1
CJmax Jmax temperature response parameter 17.57* Unitless
ΔHa, Jmax Jmaxtemperature response parameter 43.54* kJ mol−1
α Light response parameter 0.41 Unitless
Stomatal Conductance
Em Maximum transpiration rate 20.43 mmol m−2 s−1
i0 PPFD offset for dark transpiration 38.48 µmol m−2 s−1
k Bulk stomatal parameter 18,383 µmol m−2 s−1 mmol mol−1
b Bulk stomatal parameter 49.68 mmol mol−1

*Assumed based on no growth temperature acclimation ( Bernacchi et al., 2003 ).