Genetic differentiation of grain, fodder and pod vegetable type cowpeas (Vigna unguiculata L.) identified through single nucleotide polymorphisms from genotyping-by-sequencing

Table 1 Number of high-quality single nucleotide polymorphism (SNP) loci found by genotyping-by-sequencing

Chromosome	Number of SNPs	Chromosome Size (Mbp)	SNP Density (SNP/Mbp)
Vu01	735	42.13	17.45
Vu02	568	33.91	16.75
Vu03	1,142	65.29	17.49
Vu04	750	42.73	17.55
Vu05	878	48.75	18.01
Vu06	763	34.46	22.14
Vu07	754	40.88	18.44
Vu08	695	38.36	18.12
Vu09	678	43.93	15.43
Vu10	941	41.33	22.77
Vu11	891	41.68	21.38
Unmapped	2,288	45.98	49.76
Total	11,083	519.43	21.34

Statistics are shown across the eleven chromosomes and unmapped contigs of the Vigna unguiculata (IT97K-499-35) cowpea reference genome, and their density based on reported chromosome sizes in mega base-pairs (Mbp).

ISSN: 2730-9401