Colonization Structure

 

Vesicles

Arbuscules

Effect

Variance Component

Error df

F

p

Variance Component

Error df

F

p

Date

0.002

10

6.88

0.003

0.002

10

2.98

0.050

Site

0.000

9

0.96

0.354

0.001

10

7.99

0.019

Sample(Site)

< 0.001

290

1.98

0.097

< 0.001

290

1.32

0.263

Subsample(Sample)

0.000

290

0.94

0.501

0.000

290

0.50

0.889

Date x Site

< 0.001

290

3.08

0.001

0.001

290

4.86

< 0.001

Residual

0.003

     

0.005

     

Hyphae

Total

Effect

Variance Component

Error df

F

p

Variance Component

Error df

F

p

Date

0.006

10

4.88

0.010

0.006

10

4.99

0.009

Site

< 0.001

10

2.83

0.122

< 0.001

11

2.62

0.134

Sample(Site)

< 0.001

290

1.54

0.191

< 0.001

290

1.99

0.096

Subsample(Sample)

0.000

290

0.62

0.797

0.000

290

0.46

0.916

Date x Site

0.003

290

7.48

< 0.001

0.003

290

7.11

< 0.001

Residual

0.006

0.006

Table 1: Analysis of variance for effects of date, site, sample, subsample, and date x site interaction on percent root colonization of cheatgrass by AMF structures.