Table 3

Separate binary logistic regression analyses per species.

Dependent factor

Independent factor

Statistic

ASPS1

ASPT1

POLS1

POLA1


Total sporophyte

Parental genotype

Wald χ2

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 χ2

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 χ2

10.029

0.179

17.564

0.481

P

0.007

0.914

< 0.001

0.923

df

2

2

2

3


Mortality

Wald χ2

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 χ2

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 χ2

2.201

5.000

4.698

0.955

P

0.138

0.025

0.030

0.328

df

1

1

1

1


ASPS = Asplenium scolopendrium, ASPT = Asplenium trichomanes subsp. quadrivalens, POLS = Polystichum setiferum, POLA = Polystichum aculeatum

1Significant effects (P < 0.05) appear in bold case

de Groot et al. BMC Plant Biology 2012 12:3   doi:10.1186/1471-2229-12-3

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