Table 2 Estimation of hydrotime model parameters for Helianthus annuus L using non-linear regression.

From: Computing the effects of temperature and osmotic stress on the seed germination of Helianthus annuus L. by using a mathematical model

Temperature

ѱb (50) (MPa)

σψb (MPa)

R

R2

SD

F

Sig

15c

− 0.89

0.16

0.47

0.66

1.07

3.47

1.14

20c

− 1.01

0.18

0.71

0.85

0.79

5.78

0.63

25c

− 0.82

0.22

0.93

0.96

0.39

26.49

0.16

30c

− 0.78

0.24

0.88

0.93

0.51

17.94

0.26

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