Table 1.

The estimated parameters of the hydro and thermal time models to describe Eruca sativa Mill. seed germination under fluctuating different temperatures (T_s) and water potentials (ψ_s).

T (°C)	ψ (MPa)	TTsub (θT1)	TTsupra (θT2)	θH (MPa h)	θHTT (MPa h)	Hydro Time GR(g)	Thermal Time GR(g)
5 °C	0	1600	2000	2.4	48	0.013	0.01
	−0.01	960	1200	1.44	28.8	0.021	0.02
	−0.02	832	1040	1.248	24.96	0.024	0.02
	−0.05	640	800	0.96	19.2	0.031	0.03
10 °C	0	1728	2160	2.592	51.84	0.012	0.01
	−0.01	1920	2400	2.88	57.6	0.010	0.01
	−0.02	1664	2080	2.496	49.92	0.012	0.01
	−0.05	1152	1440	1.728	34.56	0.017	0.02
15 °C	0	1472	1840	2.208	44.16	0.014	0.01
	−0.01	1088	1360	1.632	32.64	0.018	0.02
	−0.02	960	1200	1.44	28.8	0.021	0.02
	−0.05	896	1120	1.344	26.88	0.022	0.02
20 °C	0	1728	2160	2.592	51.84	0.012	0.01
	−0.01	1408	1760	2.112	42.24	0.014	0.01
	−0.02	1600	2000	2.4	48	0.013	0.01
	−0.05	960	1200	1.44	28.8	0.021	0.02
30 °C	0	1920	2400	2.88	57.6	0.010	0.01
	−0.01	1280	1600	1.92	38.4	0.016	0.02
	−0.02	1472	1840	2.208	44.16	0.014	0.01
	−0.05	1088	1360	1.632	32.64	0.018	0.02

T (Temperatures); ψ (Water potential); TTsub (Thermal time constant at sub-optimal temperature); TTsupra (Thermal time constant at supra-optimal temperature); θH (Hydrotime constant); θHTT (Hydrothermal time constant); GR (Germination rate).