Ecological Archives E085-074-A1

Tia-Lynn Ashman, Denise H. Cole, and Megan Bradburn. 2004. Sex-differential resistance and tolerance to herbivory in a gynodioecious wild strawberry. Ecology 85:2550–2559.

Appendix A. Summary of F statistics and P values from mixed-model MANCOVA and separate ANCOVAs to determine the effects of simulated clipping on plant fitness components in Fragaria virginiana. 

 

Fitness Trait

Source

MANCOVA

Flowers/plant

Fruits/plant

Seeds/plant

Stolons

Bench

1.71

0.03

0.35

4.29*

0.08

Population

4.98**

8.13***

13.34***

12.36***

1.69

Sex

51.59****

1.16

152.93****

165.64****

4.91*

Clipping

7.56****

25.51****

26.19****

9.39**

0.33

Genotype (Sex, Pop.)

3.36****

3.10****

4.26****

2.46****

2.17****

Sex × Pop.

2.38†

1.32

4.50*

2.44

1.18

Clipping × Pop.

0.45

0.00

0.01

0.61

0.08

Clipping × Sex

6.01***

1.14

18.40****

9.58**

0.49

Clipping × Geno.

0.99

0.94

1.34†

0.49

0.93

Clipping × Sex × Pop.

1.13

0.51

0.40

0.59

0.05

Initial Plant Size

6.34****

20.42****

6.17*

7.81**

1.63

   Notes: Bench, sex morph, population, treatment were fixed effects, genotype and its interactions were random effects. Significance denoted as † 0.10 < P < 0.05; * P < 0.05;*** P < 0.005;**** P < 0.0001.


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