Ecological Archives E086-048-A3

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 C. Variance components (height, number of leaves, above ground biomass (AGB), below ground biomass (BGB) and reproductive effort) and treatment effects for plants attacked by cotton aphids.



Variable

Wilks’

df

F

MANOVA (AGB, BGB)

 

Block

0.83

4, 128

3.18*

Pollination

0.98

2, 64

0.52

Insect Treatment

0.97

2, 64

1.13

Pollination × Treatment

0.99

2, 564

0.27


 



Variable

Height

No. of leaves

Reproductive effort

AGB

df

SS

F

SS

F

SS

F

SS

F

ANOVA

 

 

 

   

Block

5

159845.4

13.71***

27742.16

20.08***

28310.29

19.44***

348.38

21.74***

Pollination

1

1698.92

0.73

1004.68

3.64*

1330.77

4.57*

7.8

2.43

Insect Treatment

1

5835.28

2.5

657.96

2.38

134.03

0.46

32.54

10.16**

Pollination × Treatment

1

192.05

0.08

316.89

1.15

617.5

2.12

0.32

0.1

Error

146

340425.14

 

40349.27

 

42522.40

 

467.84

 

 



Variable

BGB

df

SS

F

ANOVA

 

 

Block

2

0.1

2.13

Pollination

1

0

0.15

Insect Treatment

1

0.04

1.68

Pollination × Treatment

1

0.01

0.39

Error

65

1.58

 

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



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