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Table 1 ANOVA results for the effects of precipitation regime (wet, dry and med) and soil layer (topsoil and deeper soil layer) on needle growth increment (May–September), root/shoot ratio, cumulative root length, root tip density and EcM species richness (no of OTUs) of 6-month old P. sylvestris seedlings (N = 75)

From: Drought resistance of Pinus sylvestris seedlings conferred by plastic root architecture rather than ectomycorrhizal colonisation

Source of variation

Precipitation

Soil layer

df

F

P

df

F

P

Needle growth increment (mm)*

2,8

17.53

0.001

Root/shoot ratio

2,8

7.85

0.010

Cumulative root length (cm)*

2,8

6.05

0.022

1,132

65.35

<0.001

Total root tip density (cm−1)*

2,8

12.08

0.003

1,130

12.32

0.001

EcM root tip density (cm−1)*

2,8

0.03

0.967

1,130

169.90

<0.001

EcM species richness

2,8

9.86

0.005

1,130

273.30

<0.001

  1. *square-root transformed