Panting date

Average air temperature, ˚C

Time to 50% emergence, d

Seed emergence rate, d−1

AG

PR

AG

PR

24 March

17.37

10.4

10.5

0.10

0.10

30 March

19.84

8.1

8.4

0.12

0.12

04 April

19.58

8.4

8.5

0.12

0.12

10 April

21.27

6.2

6.7

0.16

0.15

23 April

22.83

7.4

7.5

0.14

0.13

30 April

24.35

6.1

6.2

0.17

0.16

10 May

24.79

6.2

5.9

0.16

0.17

20 May

25.07

6.4

6.4

0.16

0.16

30 May

24.81

6.2

6.4

0.16

0.16

12 June

30.39

5.0

5.3

0.20

0.19

18 June

31.9

4.0

4.3

0.25

0.24

23 June

30.51

4.3

4.7

0.24

0.22

29 June

27.71

5.1

5.3

0.20

0.19

04 July

28.74

4.3

4.6

0.23

0.22

09 July

28.82

4.1

4.2

0.24

0.24

14 July

29.62

5.2

5.3

0.19

0.19

22 July

28.61

4.4

4.3

0.23

0.23

Temperature

P value

<0.0001

<0.0001

Cultivars

0.0725

0.4221