Ecological Archives E084-049-A2

Lynn S. Adler. 2003. Host species affects herbivory, pollination, and reproduction in experiments with parasitic Castilleja. Ecology 84:2083–2091.

Appendix B. Effect of host species (lupine vs. grass), pesticide (spray or control), and hand pollination (hand or control) on pollinator preference, measured as the number of visits, number of flowers probed per visit, and time spent per flower.

Source
 

Visits

Flowers probed

Time per flower
 

df

SS

F

SS

F

SS

F

Block

14

13.54

1.86*

14.09

1.04

16.89

1.51

Host

1

16.23

31.20****

8.13

8.44**

0.06

0.07

Pesticide

1

0.26

0.50

0.05

0.05

0.63

0.79

Hand Pollination

1

0.02

0.03

3.02

3.13

3.02

3.78

Host × Poll

1

0.01

0.02

2.79

2.90

4.25

5.31*

Pest × Poll

1

1.09

2.09

0.36

0.38

0.49

0.61

Host × Pest

1

0.27

0.52

1.43

1.49

0.52

0.65

Host × Pest × Poll

1

0.62

1.20

0.85

0.88

0.59

0.74

Error

174

114.09

  

44.32

  

35.99

  

   Notes: Number of flowers probed and time per flower are calculated only for visited plants (i.e., no zero values were used). Error df are 46 for flowers probed and 45 for time per flower.

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


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