Genetic variation for tolerance to the downy mildew pathogen Peronospora variabilis in genetic resources of quinoa (Chenopodium quinoa)

Table 2 Wald F-test for genotype fixed effects in a linear mixed model analysis (LMM)

Model	Data transformation	Control variety included	LMM analysis	d.f.	p-value	Mean	\( {\boldsymbol{\sigma}}_{\boldsymbol{G}}^{\mathbf{2}} \)	\( \overline{{\boldsymbol{H}}^{\mathbf{2}}} \)
Model	Data transformation	Control variety included	F-value	d.f.	p-value	s.e.d.	\( {\boldsymbol{\sigma}}_{\boldsymbol{G}}^{\mathbf{2}} \)	\( \overline{{\boldsymbol{H}}^{\mathbf{2}}} \)
Trait: Severity of infection
1	Untransformed	Yes	3.573	131	1.18 × 10⁻¹⁸	0.12	0.02	0.72
2		No	23.95	130	3.56 × 10⁻⁹³	0.12	0.03	0.77
3	Arcsine root	Yes	3.79	131	3.35 × 10⁻²⁰	0.14	0.03	0.74
4		No	28.95	130	8.41 × 10⁻¹⁰³	0.14	0.03	0.78
5	Logit	Yes	3.75	131	6.30 × 10⁻²⁰	0.58	0.46	0.73
6		No	30.08	130	5.59 × 10⁻¹⁰⁴	0.59	0.61	0.77
Trait: Sporulation
1	Untransformed	Yes	4.47	131	4.39 × 10⁻²⁵	0.16	0.04	0.78
2		No	8.37	130	1.55 × 10⁻⁴⁴	0.17	0.05	0.78
3	Arcsine root	Yes	4.89	131	7.30 × 10⁻²⁸	0.20	0.07	0.79
4		No	11.35	130	1.13 × 10⁻⁵⁷	0.20	0.08	0.80
5	Logit	Yes	4.96	131	2.47 × 10⁻²⁸	0.87	1.51	0.80
6		No	11.43	130	4.67 × 10⁻⁵⁸	0.91	1.85	0.82
Trait: Incidence
		Yes	1.62	131	0.0003	0.55	0.10	0.4
		No	2.39	130	<0.0001	0.48	0.08	0.4

Mean standard error of the difference (s.e.d.), genetic variance (\( {\sigma}_G^2 \)) and heritability (\( \overline{H^2} \)) estimates from were obtained from a linear mixed model for the traits severity and sporulation, and from a generalized linear mixed model for the trait incidence

ISSN: 1471-2229