Use of easy measurable phenotypic traits as a complementary approach to evaluate the population structure and diversity in a high heterozygous panel of tetraploid clones and cultivars

Table 1 Summary of genetic diversity of potato accessions from diverse provenance sources, species and ploidy levels

A Priori group	Source	Species	N gen	A/L	AE	He	Ho
A	INTA¹, NWA²	Interspecific hybrid³	2	1.56 ± 0.03	1.34 ± 0.02	0.327 ± 0.02	0.537 ± 0.07
B	CIP⁴	S. tuberosum Gp. Tuberosum	49	2 ± 0.01	1.71 ± 0.02	0.47 ± 0.01	0.592 ± 0.056
C	NA⁷	S. tuberosum Gp. Tuberosum	9	1.99 ± 0.01	1.71 ± .0.02	0.48 ± 0.01	0.654 ± 0.041
D	INTA¹	S. tuberosum Gp. Tuberosum	83	2 ± 0.02	1.77 ± 0.01	0.49 ± 0.01	0.618 ± 0.04
E	NWA²	S. chacoense S. tarijense	2	1.04 ± 0.01	1.04 ± 0.01	0.04 ± 0.01	0.046 ± 0.001
F	SA⁵	S. tuberosum Gp. Andígena	11	1.68 ± 0.03	1.37 ± 0.02	0.42 ± 0.02	0.429 ± 0.033
G	EA⁶	S. tuberosum Gp. Tuberosum	19	1.98 ± 0.01	1.61 ± 0.02	0.43 ± 0.01	0.604 ± 0.031
H	SA⁵	S. tuberosum Gp. Tuberosum	8	1.94 ± 0.01	1.57 ± 0.02	0.42 ± 0.01	0.601 ± 0.017
Total genotypes			183	2 ± 0.01	1.85 ± 0.01	0.517 ± 0.01	0.51 ± 0.062

¹INTA Balcarce
²North West provinces of Argentine
³S. tuberosum Gp. Tuberosum var. Calen INTA x S. gourlayii
⁴International Potato Center
⁵South American countries
⁶Europe-Asia countries
⁷North American countries; N° gen.: number of genotypes analyzed; A/L: mean number of allele per locus; AE: mean number of effective allele; He: unbiased mean expected heterozygosity of Nei; Ho: observed heterozygosity. Potato genotypes were grouped in a priori groups according to the taxonomy, ploidy level, breeding program and geographic provenance

ISSN: 2730-6844