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Table 2 Quantitative trait loci mapped in 100 BC1S1 and 100 BC2S1 families for vigour traits under non-stress, drought, salt and nutrient deficiency conditions

From: Crop to wild introgression in lettuce: following the fate of crop genome segments in backcross populations

      

Additive effect for the crop allele (% explained variance)

Trait

Pop.

QTLname

Most significant marker

LG

QTLxE

C-D1

D

C-SN

N

S

Plant height (cm)

BC1

L-7-1

QGF25M24-1

7

yes

  

-2.06(6)

0.39(3)

 
  

L-9-1

CLS_S3_Contig2201-5-OP5

9

yes

  

-4.61(32)

-0.79(13)

-2.32(30)

  

L-1-1

QGC26E22.yg-2-OP4

1

yes

   

0.74(12)

 
  

L-3-3

QGF21B10.yg.ab1_PAP2_LE1382_12

3

yes

 

-0.48(6)

 

0.39(3)

 
  

L-5-2

CLS_S3_Contig1313-2-OP5

5

yes

-1.19(11)

 

-1.72(4)

-0.49(5)

-1.53(13)

 

BC2

L-7-1

QGB11B18.yg-2-OP5

7

yes

  

-1.30(4)

 

-0.73(3)

  

L-9-1

CLS_S3_Contig2201-5-OP5

9

yes

    

-0.53(3)

  

L-4-4

Contig1094-1

4

no

0.42(1)

0.42(6)

0.42(1)

0.42(9)

0.42(2)

  

L-8-2

CLX_S3_Contig8250_1298

8

yes

1.46(8)

0.72(14)

1.87(19)

0.38(6)

1.57(24

Fresh weight (g)

BC1

FW-7-2

CLSS4482.b2_C18-6-OP5

7

yes

4.02(10)

0.20(4)

0.96(4)

0.34(27)

1.28(22)

  

FW-9-2

CLS_S3_Contig2201-5-OP5

9

yes

2.38(3)

  

0.27(17)

0.48(3)

  

FW-1-2

QGG6E14.yg.ab1_PHYB_1360

1

yes

4.32(11)

 

1.50(11)

0.14(4)

0.92(11)

  

FW-4-5

Contig6039-19

4

yes

3.04(6)

    
 

BC2

FW-7-2

CLS_S3_Contig7594-1-OP5

7

no

0.28(1)

0.28(9)

0.28(1)

0.28(5)

0.28(1)

  

FW-1-2

CLSS3922.b1_C21-4-OP4

1

yes

2.73(7)

 

2.29(19)

 

0.97(19)

  

FW-8-1

RHCLS_S3_Contig9441_1

8

no

0.32(1)

0.32(13)

0.32(1)

0.32(7)

0.32(2)

Dry weight (g)

BC1

DW-7-3

CLSS4482.b2_C18-6-OP5

7

no

0.08(1)

0.08(15)

0.08(3)

0.08(19)

0.08(8)

  

DW-4-6

CLRY544-1

4

yes

-0.39(16)

 

-0.04(4)

-0.04(4)

 
  

DW-8-3

QG_CA_Contig5320_RPT3_LE1380_1

8

no

0.05(1)

0.05(6)

0.05(1)

0.05(7)

0.05(3)

  

DW-9-6

QGG16P08-1

9

yes

  

-0.09(4)

 

0.04(6)

 

BC2

DW-7-3

QGF25M24-1

7

no

0.07(1)

0.07(25)

0.07(4)

0.07(12)

0.07(9)

  

DW-4-6

Contig7363-2

4

yes

-0.21(6)

-0.06(15)

-0.11(8)

  

Relative moisture content (%)

BC1

RMC-4-3

CLRY544-1

4

yes

0.24(9)

0.60(6)

0.15(4)

1.18(17)

 
  

RMC-5-1

RHCLSM9436.b1_G08_1-OP3

5

yes

0.25(10)

    
  

RMC-7-4

CLSS4482.b2_C18-6-OP5

7

yes

 

-0.73(9)

-0.17(6)

-0.85(9)

 
  

RMC-3-4

QGF21B10.yg.ab1_PAP2_LE1382_12

3

yes

   

0.79(8)

0.18(5)

  

RMC-4-7

CLX_S3_Contig10345_1167_4

4

no

0.22(7)

0.22(1)

0.22(10)

0.22(1)

0.22(4)

  

RMC-6-3

QGB25B18-1

6

yes

   

-1.19(17)

 
  

RMC-8-4

CLS_S3_Contig9218-1-OP5

8

yes

 

-0.81(11)

 

0.46(3)

-0.17(4)

 

BC2

RMC-4-3

Contig15389-1

4

yes

0.32(19)

1.16(14)

0.27(16)

0.89(23)

0.27(9)

  

RMC-7-4

QGF25M24-1

7

yes

0.19(7)

  

-0.56(9)

 
  

RMC-1-3

CLRX9010-5

1

yes

 

-1.33(19)

-0.16(5)

-0.60(11)

-0.24(8)

  

RMC-5-3

Contig2221-1

5

yes

 

0.72(6)

-0.21(9)

  
  1. 1 C-D: control treatment of the drought experiment; D: drought, C-SN: control treatment of the salt-nutrient experiment, N: nutrient deficiency, S: salt