Table 1.

Description of the experimental population and SNP marker genotypes

N. plant samples		124
	(duplicated)	1
N. sugar beet lines		18
	High-root-vigor lines	15
	Samples	100
	Low-root-vigor lines	3
	Samples	24
N. SNPs		192
Average call-rate
	Per SNP	0.969
	Per sample	0.984
	N. of SNP call-rate ≤ 85%	1
Average MAF		0.262
	N. SNPs MAF ≤ 2.5%	16
	N. SNPs MAF ≥ 2.5%	175