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Table 3 QTLs for grain yield-related traits and their epistasis detected by MCIM from the analysis of the RILs in multi-trials

From: High-density genetic map construction and QTLs analysis of grain yield-related traits in Sesame (Sesamum indicum L.) based on RAD-Seq techonology

Traits QTL LG Marker interval QTL region (cM) QTL peak position Additive effecta h a 2(%)b ae a h ae 2(%)b H2(%)c
Plant height Qph-6 LG6 SBN3089-SBN3112 33.5-33.8 33.5 3.0724*** 3.63    32.5
  Qph-12 LG12 ZM1466-SBI005 13.5-22.3 22.0 2.8852*** 3.36    
First capsule height Qfch-4 LG4 SBN3000-SBN1825 60.7-60.8 60.8 2.0016*** 4.72    29.8
  Qfch-11 LG11 SBN1622-SBN3137 8.3-17.9 13.3 2.1111*** 5.02    
  Qfch-12 LG12 ZM1466-SBI005 12.0-22.3 19.0 2.0667*** 3.37    
Capsule axis length Qcal-5 LG5 SBN3577-SBN3576 43.7-44.4 43.9 1.7741*** 2.54    69.7
  Qcal-9 LG9 SBN3559-SBN2018 2.1-4.6 3.4 1.7761*** 1.99    
Capsule number per plant Qcn-11 LG11 SBN1622-SBN3137 11.3-17.9 15.3 −4.1764*** 4.48    95.7
Thousand grain weight Qtgw-11 LG11 SBN1798-SBN1765 18.2-20.2 19.2 0.0638*** 5.78    48.9
Grain number per capsule Qgn-1 LG1 SBN1076-SBN2389 29.7-36.0 34.7 1.2248*** 1.82    54.6
  Qgn-6 LG6 SBN1261-SBN1801 88.3-92.9 92.3 1.7740*** 5.61 −0.8819* 1.16  
  Qgn-12 LG12 SBN1362-SBN3344 26.0-26.7 26.3 −1.4724*** 4.26    
Capsule length Qcl-3 LG3 SBN2902-SBN1034 76.1-77.4 76.4 −0.0857*** 3.13    86.8
  Qcl-4 LG4 SBN2166-SBN1014 64.1-64.2 64.1 0.0653*** 3.02    
  Qcl-7 LG7 SBN3401-SBN3441 73.8-79.0 77.0 0.0529*** 1.93    
  Qcl-8 LG8 SBN1686-SBN3565 11.0-11.2 11.1 0.0420*** 1.70    
  Qcl-12 LG12 ZM1466-SBI005 14.0-18.0 16.0 −0.4237*** 45.39    
Trait Epistatic interaction Nearest marker QTL peak position (cM) aa a h aa 2(%)b  
First capsule height Qfch-4 and Qfch-12 SBN3000 and SBI005 60.8 and 19.0 1.2998*** 1.59  
  1. aPositive and negative values indicated additive effect, additive × environment interaction effect (ae) or epistatic interaction additive effect (aa) by the alleles of Zhongzhi 14 and Miaoqianzhima, respectively; bContibution ratio of QTL additive effect, additive × environment interaction effect (ae) or epistatic interaction additive effect (aa); *, **, *** Significant at 0.05, 0.01, 0.001 probability levels, respectively; cThe broad-sense heritability (H2) was calculated with the formula H2 = σ g 2/(σ g 2 + σ e 2/r).