Table 2.

Model parameters: symbols, definitions, units and values

Symbol	Definition	Unit	Value
P m	Saturated assimilation rate	μmol CO2 m–2 of leaf s–1	50
α	Photosynthetic efficiency	μmol CO2 μmol–1 PAR	0.06
θ	Convexity factor	Dimensionless	0.9
μ	The unit respiratory cost of cellular components turnover	g glucose (g glucose)–1	0.0026
η	The unit respiratory cost of maintenance of membranes and ion gradients	g glucose (g d. wt)–1	0.000158
S m	Potential maximum number of one row kernels of an ear	Dimensionless	50
S d	Duration of silking of one row florets of an ear	°Cd	95
C k	Row number of an ear	Dimensionless	16
W m	Maximum dry weight of an individual kernel	g	0.43
K b	Controlling the slope of the logistic function	Dimensionless	–3.5 (kernel)
t m	Time when the maximum growth rate is reached	°Cd	559.6 (kernel)
β	The proportion of potentially mobilizable non-structural carbohydrates in reserve organs	Dimensionless	0.5
φ	The actual fraction of remobilization from potentially mobilizable non- structural carbohydrates	Dimensionless	0.03
c	Parameter of parabolic function for reserve storage	Dimensionless	–0.000017 (stem) 0.0 (leaf) 0.000002 (other ear organs)
d	Parameter of parabolic function for reserve storage	Dimensionless	0.4 (stem) 0.0 (leaf) 0.17 (other ear organs)