Table 5. Concordance between genotyping-by-sequencing and KASP genotyping calls.
Expected genotype call (KASP) | ||||||
Genotyping-by-sequencing | Nulliplex | Simplex | Duplex | Triplex | Quadruplex | Total |
Concordant calls | 4,975 | 4,861 | 2,204 | 1,373 | 1,272 | 14,685 |
Discordant calls | 67 | 25 | 86 | 34 | 25 | 237 |
Percentage of concordant calls | 98.7% | 99.5% | 96.2% | 97.6% | 98.1% | 98.4% |
Median read-depth of concordant calls | 85× | 91× | 101× | 92× | 75× | 89× |
Median read-depth of discordant calls | 52× | 56× | 73× | 83× | 47× | 61× |
Percentage of alternative reads for concordant calls | 0% | 23% | 49% | 76% | 100% | – |
Percentage of alternative reads for discordant calls | 4% | 36% | 34% | 56% | 97% | – |
The genotype calls derived from each method for 270 binary SNPs were compared. Sequencing calls were filtered by a minimum read depth of 15× and a minimum genotype quality score of GQ26.