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Table 3 Summary of SNPs associated with different traits as detected by genome wide association studies (GWAS) under normal and heat stress conditions using 662 doubled haploid association panel

From: Genome wide association mapping for heat tolerance in sub-tropical maize

Condition Trait No s Chromosome (No s) P-value range PV (%)
Normal GY 25 1 (1), 3 (1), 7 (2), 10 (21), 10−5 – 10−7 21.9–23.23
  AD 17 1 (6), 3 (1), 6 (6), 8 (1), 10 (3) 10− 5 45.45–45.78
  SD 19 1 (3), 3 (1), 4 (1), 6 (5),7 (1), 10 (8) 10−5 – 10− 6 36.69–39.21
  ASI 25 1 (4), 6 (11), 8 (2), 10 (8) 10−5 – 10−7 20.94–21.89
  PH 19 1 (1), 2 (3), 8 (2), 10 (13) 10−5 – 10−6 25.75–27.03
  EH 14 2 (3), 7 (1), 8 (3), 10 (7) 10−5 – 10− 6 23.10–23.79
  EPO 11 1 (1), 2 (3), 3 (4), 5 (1), 8 (1), 9 (1) 10−5 – 10−7 4.39–5.85
Heat stress GY 12 1 (3), 3 (1), 6 (3), 7 (3), 10 (2) 10−5 18.14–18.65
  ASI 17 1 (12), 2 (1), 3 (1), 6 (3) 10−5 – 10−6 27.81–28.53
  EH 14 3 (1), 8 (12), 10 (1) 10−5 – 10−6 25.67–26.27
  EPO 3 8 (3) 10−5 33.44–35.69
  1. No s Number of significant SNP-based associations, The value in parenthesis indicates the number of SNPs detected in that particular chromosome, PV (%) Percentage of the phenotypic variation range explained by SNP markers, GY Grain yield, AD Days to 50% anthesis, SD Days to 50% silking, ASI Anthesis-silking interval, PH Plant height, EH Ear height and EPO Ear position