Table 2.

Parameter values used for the simulation of nectarine growth.

Parameter	Symbol	Value
Ratio of soluble sugar	Z	0.61 (dimensionless)
Gas constant	R	83 cm3 bar mol−1 K−1
Temperature	T	293.15 K
Water density	Dw	1.0 g cm−3
Sugar density	Ds	1.6 g cm−3
Water molar mass	Mw	18 g mol−1
Sugar molar mass	Ms	342.3 g mol−1
Non-sugar osmotic pressure in fruit	πb	6.5 bar
Non-sugar osmotic pressure in phloem	${\pi }_b^p$	12.53 bar
Threshold value for pressure	Y	5 bar
Cell wall extensibility	ϕ	0.01 bar−1 h−1
Elastic modulus	ε	1.0 bar
Hydric potential of the stem	Ψstem	−6.0 bar
Sugar concentration in the stem	Cstem	0.18 g g−1
Relative humidity in fruit	Hf	0.996 (dimensionless)
Relative humidity in air	Hair	0.7 (dimensionless)
Permeation coefficient	ρext	432.0 cm h−1
Permeation coefficient of microcracks	ρcrk	3838.0 cm h−1
Growth respiration coefficient	qg	0.21 (dimensionless)
Maintenance respiration coefficient	qm	0.000131 h−1
Temperature ratio of maintenance respiration	q10	2.03 (dimensionless)
Reflectivity coefficient of phloem membrane	σp	0.9 (dimensionless)
Maximal rate of active uptake per unit of area	νmax	0.0031 g h−1 m−2
Michaelis-Menten constant	Km	0.08 (dimensionless)
Phloem to fruit conductance	Lpf	0.05833 g h−1 m−2 bar−1
Xylem to fruit conductance	Lxf	0.0128326 g h−1 m−2 bar−1
Hydraulic conductivity between cell walls	L	0, 0.005 g h−1 m−2 bar−1
Compartmental resistance to expansion	λv	1
Noise control in Metropolis dynamics	G	10−5
Random step size	ϵ	0.01