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

Table 1 Linear mixed models used to analyze quantitative response variables severity of infection and sporulation

Trait	Data transformation	Control variety included	Variance type
Trait	Data transformation	Control variety included	p-value
Severity	No transformation	Yes	1.72 × 10⁻¹⁰
		No	1.92 × 10⁻⁰⁴
	Arcsine root	Yes	4.68 × 10⁻⁰⁷
		No	0.0014
	Logit	Yes	2.44 × 10⁻⁰⁸
		No	9.77 × 10⁻⁰⁶
Sporulation	No transformation	Yes	1.45 × 10⁻⁰⁵
		No	0.0390
	Arcsine root	Yes	0.0049
		No	0.199
	Logit	Yes	0.0019
		No	0.0259

Type of error variance refers to error variance structure between experiments. p-value of a REML ratio test comparing a null model with homogeneous variances of the error with a model with a heterogeneous variance structure

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