Table 1 Results of linear mixed effects models for above-ground and total biomass (g), and specific leaf area (SLA, cm2.g−1).

From: No difference in plasticity between different ploidy levels in the Mediterranean herb Mercurialis annua

Source

Sum of Squares

df (num, den)

F-value

P-value

Above-ground biomass

    Initial height

0.150

1, 317

19.4

<0.001

    Nutrients

12.7

1, 337

1640

<0.001

    Ploidy

0.0475

1, 8

6.12

0.038

    Nutrients × ploidy

0.002

1, 335

0.256

0.613

Total biomass

    Initial height

0.504

1, 345

19

<0.001

    Nutrients

54.2

1, 337

2007

<0.001

    Ploidy

0.053

1, 8

1.96

0.199

    Nutrients × ploidy

0.100

1, 335

3.74

0.054

SLA

    Nutrients

364839

1, 336

53.7

<0.001

    Ploidy

9963

1, 8

1.47

0.260

    Nutrients × ploidy

16416

1, 335

2.43

0.120

  1. Degrees of freedom (Satterthwaite approximation), type III SS and P-values were calculated using lmerTest 73. P-values for main factors were obtained after removing non-significant interactions from the model.
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