Table 5.

Estimated parameters for segmented models (S3) of Salvia hispanica seeds. Root mean square of deviations (RMSE) and coefficient of determination (R²) for the relationship between emergence rates.

Parameter	S3
	10%	20%	30%	40%	50%	60%	70%	80%
Tb (°C)	10.09	7.45	7.29	7.09	6.86	6.50	5.91	0.99
Mean Tb (°C)	6.52 ± 2.55
To (°C)	29.84	32.73	32.85	32.43	32.72	33.04	33.37	33.89
Mean To (°C)	32.60 ± 1.20
Tc (°C)	44.46	41.05	39.85	45.71	44.73	36.59	37.00	32.84
Mean Tc (°C)	41.34 ± 3.74
RMSE	1.88	1.04	0.47	0.32	0.22	0.18	0.14	0.11
R2	0.94	0.86	0.87	0.85	0.83	0.79	0.70	0.64
Adjusted R2	0.93	0.84	0.85	0.81	0.80	0.74	0.64	0.56