Molecular genetic diversity and population structure analyses of rutabaga accessions from Nordic countries as revealed by single nucleotide polymorphism markers

Table 3 Determination of the number of cluster sets in 124 rutabaga accessions from Denmark, Finland, Iceland, Norway and Sweden using the Evanno et al. (2005) and Puechmaille et al. (2016) methods

Structure	Burn-in lengths	MCMC^* lengths	Number of clusters (K)	Number of Reps	Number of populations^α		Number of Populations^β
ran #	Burn-in lengths	MCMC^* lengths	Number of clusters (K)	Number of Reps	∆K (Unassigned)^a	∆K (Assigned)^b	MedMedK	MedMeaK	MaxMedK	MaxMeaK
1	5000	5000	10	10	9	8	3	4	4	4
2	5000	5000	10	20	8	8	3	4	4	4
3	10000	10000	10	10	9	8	3	4	4	4
4	10000	10000	10	20	2	9	3	4	4	4
5	20000	20000	10	10	8	2	3	4	4	4
6	20000	50000	10	10	9	2	3	4	4	4
7	50000	50000	10	10	3	3	3	4	4	4
8	10000	100000	10	10	8	6	3	4	4	4
9	20000	100000	10	10	2	9	3	4	4	4
10	50000	100000	10	10	9	2	3	4	4	4
11	100000	100000	10	10	3	9	3	4	4	4

^*MCMC Markov Chain Monte Carlo
^α The ad hoc ∆K method (Evanno et al. 2005); ^a Accessions unassigned to any population or country; ^b Accessions assigned to their countries of origin
^β The median (MedMedK and MaxMedK) or mean (MedMeaK and MaxMeaK) estimators used to determine which subpopulations belonged to a cluster (K) (Puechmaille et al. 2016)

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