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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).
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BMC Plant Biology

ISSN: 1471-2229

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