Table 3 Distribution of progeny types produced by maternal hermaphroditic and female plants. (a) Summarized data and (b) hierarchical contingency analysis

From: Consequences of prairie fragmentation on the progeny sex ratio of a gynodioecious species, Lobelia spicata (Campanulaceae)

Parental population

Maternal hermaphrodite

Maternal female

 

N

% All female

% All hermaphrodite

% Mixed gender

N

% All female

% All hermaphrodite

% Mixed gender

(a) Summarized data

 Weston (SF)

18

0

50.0

50.0

19

57.9

10.5

31.6

 Hooper branch (LF)

25

0

88.0

12.0

24

8.3

0

91.7

 Witter's (SH)

37

0

27.0

73.0

9

0

0

100.0

 Revis (LH)

29

0

75.9

24.1

9

0

0

100.0

Model effect

df

LLR

P-value

     

(b) Hierarchical contingency analysis

 Pop size × pop sex ratio × maternal gender × progeny type

2

0.00

1.0000

     

 Pop sex ratio × maternal gender × progeny type

4

1.51

0.8249

     

 Pop size × maternal gender × progeny type

4

10.73

0.0298

     

Maternal gender × progeny type (S)

2

31.12

<0.0000

     

Maternal gender × progeny type (L)

2

69.93

<0.0000

     

Pop size × progeny type (H)

1

25.79

<0.0000

     

Pop size × progeny type (F)

2

14.90

0.0006

     

 Pop size × pop sex ratio × progeny type

4

0.02

1.0000

     

 Pop sex ratio × progeny type

8

20.42

0.0089

     
  1. S=small pop; F=female bias; L=large pop; H=hermaphrodite bias.