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Table 2 Summary of the SNP polymorphisms detected in the different cotton subpopulationsa

From: High-density 80 K SNP array is a powerful tool for genotyping G. hirsutum accessions and genome analysis

Origin

Accession No.

Accessions with phenotype data

Polymorphic SNPs

SNPs MAF > 0.05

SNPs MAF > 0.1

The Yellow River Valley

182

166

59,402

49,975

40,540

The Yangtze River Valley

79

75

59,428

55,337

46,434

Northwestern inland region

22

22

57,294

51,875

46,656

Northern specifically early maturation region

16

16

56,085

53,888

45,126

The introduced landraces

13

9

52,113

49,884

40,745

Outgroup

20

0

54,310

51,404

43,336

Total

332

288

59,502

57,071

48,940

  1. aMAF, minor allele frequency; SNP, single nucleotide polymorphism
  2. Accessions with phenotype data for GWAS analysis between SNP loci and salt-tolerance related traits
  3. Outgroup was involved in 5 wild cotton, 13 semi-wild cotton and 2 sea-island cotton materials