Ecological Archives E086-048-A2

Helen M. Hull-Sanders and Micky D. Eubanks. 2005. Plant defense theory provides insight into interactions involving inbred plants and insect herbivores. Ecology 86:897–904.

Appendix B. Variance components (height, number of leaves, leaf mass, stem mass, above ground biomass (AGB) and reproductive effort) and treatment effects for plants attacked by beet armyworms.

 

Variable

Wilks’

df

F

MANOVA (leaf mass, stem mass)

   

Block

0.22

20, 620

35.53***

Pollination

0.95

2, 310

8.14**

Insect Treatment

0.9

2, 310

16.68***

Pollination × Treatment

0.99

2, 310

0.16

 

Variable

Height

No. of leaves

leaf mass

stem mass

AGB

df

SS

F

SS

F

SS

F

SS

F

SS

F

ANOVA

 

 

 

 

   

Block

10

705090.82

40.13***

278798.89

54.98***

131.27

25.16***

249.11

62.89***

657.03

45.41***

Pollination

1

10649.35

6.06*

870.51

1.72

1.11

2.14

1.91

4.82*

0.17

0.12

Insect Treatment

1

21449.37

12.21**

2511.92

4.95*

14.54

27.86**

9.92

25.05***

48.41

33.45**

Pollination × Treatment

1

469.99

0.27

219.72

0.43

0.2

0.38

0.08

0.2

0.41

0.28

Error

312

548166.74

 

158729.42

 

162.75

 

123.58

 

450.01

 

 

Variable

Reproductive effort

df

SS

F

ANOVA

Block

8

149.83

57.67***

Pollination

1

0.09

0.28

Insect Treatment

1

1.59

4.9*

Pollination × Treatment

1

3.15

9.69**

Error

285

92.56

* P < 0.05, ** P < 0.01, *** P < 0.0001


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