Table 1.

F-tests for significance of genetic differences within and between populations in damage score (PDS) and necroses score

	Populations		Site × populations		Familes within populations		Site × population × family
Trait	F	P > F	F	P > F	F	P > F	F	P > F
PDS 2008	1.2	0.302	1.2	0.299	6.6	<0.001	1.0	0.430
PDS 2009	1.2	0.326	2.23	0.017	6.4	<0.001	1.0	0.420
PDS 2010	1.2	0.307	2.05	0.032	7.3	<0.001	0.8	0.840
Necrosis 2008	1.6	0.122	1.82	0.065	2.8	<0.001	1.2	0.170
Necrosis 2009	2.8	0.010	0.91	0.544	1.9	0.002	1.3	0.066

	Site1: Randers				Site 2: Silkeborg
	Populations		Family within population		Populations		Family within population
	F	P > F	F	P > F	F	P > F	F	P > F
PDS 2008	1.4	0.174	4.6	<0.001	1.2	0.275	3.8	<0.001
PDS 2009	2.0	0.028	4.2	<0.001	1.2	0.266	3.8	<0.001
PDS 2010	1.7	0.076	4.1	<0.001	1.4	0.197	3.3	<0.001