Ecological Archives E089-096-A1

Rieta Gols, R. Wagenaar, Tibor Bukovinszky, Nicole M. van Dam, Marcel Dicke, James M. Bullock, and Jeffrey Harvey. 2008. Genetic variation in defense chemistry in wild cabbages affects herbivores and their endoparasitoids. Ecology 89:1616–1626.

Appendix A (Table A1). ANOVA tables for ln-transformed glucosinolate concentrations in leaf samples from four different Brassica oleracea populations. Plants were either undamaged, damaged by Pieris rapae, or damaged by parasitized Pieris rapae caterpillars (treatments).


Glucosinolates

Source

df

SS

MS

F value

P value


Glucoiberin

Treatment

2

0.03652

0.01826

0.12

0.891

 

Population

3

36.05282

12.01761

76.35

<0.001

 

Treat × pop

6

0.35737

0.05956     

0.38

0.890

 

Error

62

9.75897

0.15740

 

 

 

 

 

 

 

 

 

Progoitrin

Treatment

2

1.25128

0.62564

1.25

0.292

 

Population

3

2.61565

0.87188

1.75

0.167

 

Treat × pop

6

3.70471

0.61745

1.24

0.299

 

Error

62

30.92598

0.49881

 

 

 

 

 

 

 

 

 

Glucoraphanin

Treatment

2

0.04055

0.02028

0.07

0.932

 

Population

3

7.88136

2.62712

9.10

<0.001

 

Treat × pop

6

0.42463

0.07077

0.25

0.959

 

Error

62

17.90635

0.28881

 

 

 

 

 

 

 

 

 

Sinigrin

Treatment

2

0.88189

0.44094

1.26

0.291

 

Population

3

15.30904

5.10301

14.55

<0.001

 

Treat × pop

6

3.34779

0.55797

1.59

0.165

 

Error

62

21.74183

0.35067

 

 

 

 

 

 

 

 

 

Gluconapin

Treatment

2

0.48053

0.24027

0.66

0.518

 

Population

3

116.58390

38.86123

107.39

<0.001

 

Treat × pop

6

1.09790

0.18298

0.51

0.802

 

Error

62

22.43590

0.36187

 

 

 

 

 

 

 

 

 

4-OH glucobrassicin

Treatment

2

0.00374

0.00187

0.29

0.749

 

Population

3

0.03401

0.01134

1.76

0.164

 

Treat × pop

6

0.02325

0.00388

0.60

0.727

 

Error

62

0.39887

0.00643

 

 

 

 

 

 

 

 

 

4-MeOH glucobrassicin

Treatment

2

0.00919

0.00460

1.18

0.314

 

Population

3

0.18470

0.06157

15.80

<0.001

 

Treat × pop

6

0.00626

0.00104

0.27

0.950

 

Error

62

0.24161

0.00390

 

 

 

 

 

 

 

 

 

Glucobrassicin

Treatment

2

19.30322

9.65161

35.74

<0.001

 

Population

3

8.03085

2.67695

9.91

<0.001

 

Treat × pop

6

4.17086

0.69514

2.57

0.027

 

Error

62

16.74457

0.27007

 

 

 

 

 

 

 

 

 

Neoglucobrassicin

Treatment

2

8.61617

4.30809

8.29

0.001

 

Population

3

30.82260

10.27420

19.78

<0.001

 

Treat × pop

6

5.08989

0.84832

1.63

0.153

 

Error

62

32.20142

0.51938

 

 

 

 

 

 

 

 

 

Total glucosinolates

Treatment

2

4.49182

2.24591

12.29

<0.001

 

Population

3

17.56568

5.85523

32.04

<0.001

 

Treat × pop

6

3.58472

0.59745

3.27

0.007

 

Error

62

9.75897

0.15740

 

 



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