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Table 3 Separate binary logistic regression analyses per species.

From: Inter-and intraspecific variation in fern mating systems after long-distance colonization: the importance of selfing

Dependent factor

Independent factor

Statistic

ASPS1

ASPT1

POLS1

POLA1

Total sporophyte

Parental genotype

Wald χ 2

17.759

28.282

52.186

7.983

production

 

P

< 0.001

< 0.001

< 0.001

< 0.001

  

df

2

2

2

3

 

Treatment

Wald χ 2

0.190

0.113

1.401

0.000

  

P

0.663

0.737

0.237

0.998

  

df

1

1

1

1

 

Genotype × treatment

Wald χ 2

10.029

0.179

17.564

0.481

  

P

0.007

0.914

< 0.001

0.923

  

df

2

2

2

3

 

Mortality

Wald χ 2

3.794

3.149

7.287

4.437

  

P

0.051

0.076

0.007

0.035

  

df

1

1

1

1

Gametophyte

Parental genotype

Wald χ 2

56.905

32.341

126.113

7.034

Isolate potential

 

P

< 0.001

< 0.001

< 0.001

0.071

  

df

2

2

2

3

 

Mortality

Wald χ 2

2.201

5.000

4.698

0.955

  

P

0.138

0.025

0.030

0.328

  

df

1

1

1

1

  1. ASPS = Asplenium scolopendrium, ASPT = Asplenium trichomanes subsp. quadrivalens, POLS = Polystichum setiferum, POLA = Polystichum aculeatum
  2. 1Significant effects (P < 0.05) appear in bold case