Table 1 Summary of the effects of root neighbour patterns (owner, intra-sex sharer or inter-sex sharer), sex (female or male) and their interactions on Populus cathayana root biomass and allocation and root morphological traits according to linear mixed models.

From: Root-mediated sex recognition in a dioecious tree

 

Root neighbour pattern (N)

Sex (S)

N × S

df

F-value

P-value

df

F-value

P-value

df

F-value

P-value

Root dry mass (g plant−1)

2, 40

7.312

0.002

1, 40

36.342

<0.001

2, 40

44.022

<0.001

Total dry mass (g plant−1)

2, 40

11.549

<0.001

1, 40

20.092

<0.001

2, 40

2.263

0.109

Root mass fraction

2, 40

16.074

<0.001

1, 40

6.870

0.013

2, 40

27.524

<0.001

Avg. root diameter (mm)

2, 40

25.419

<0.001

1, 40

0.000

0.994

2, 40

31.303

<0.001

Specific root length (m g−1)

2, 40

7.631

<0.002

1, 40

6.785

0.014

2, 40

34.647

<0.001

Root branching intensity

2, 40

3.402

0.045

1, 40

30.618

<0.001

2, 40

39.087

<0.001

  1. Significant effects (P < 0.05) are shown in bold.
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