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