Table 3 p-values of Tukey–Kramer tests on GSI at 4 weeks in Experiment 2

IG

14 °C

0.9834

0.4708

0.9531

0.0143^*

0.0479^*

IG

16 °C

0.9431

0.2310

0.9993

0.0196^*

0.0753

IG

18 °C

0.9924

 < 0.001^***

0.0547

 < 0.001^***

 < 0.001^***

IG

20 °C

 < 0.001^***

 < 0.001^***

0.0024^**

 < 0.001^***

 < 0.001^***

14 °C

16 °C

0.9995

0.9813

0.9839

0.9994

0.9994

14 °C

18 °C

1.0000

0.0210^*

0.1468

0.0156^*

0.1479

14 °C

20 °C

0.0027^**

 < 0.001^***

0.0058^**

0.2520

0.0049^**

16 °C

18 °C

0.9971

0.0913

0.0466^*

0.0064^**

0.0939

16 °C

20 °C

0.0035^**

 < 0.001^***

0.0013^**

0.1468

0.0026^**

18 °C

20 °C

0.0013^**

0.1770

0.6708

0.6926

0.6276