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Table 1 QTL and tentative QTL identified for different traits under saline and control conditions in a double haploid population derived from a cross between CM72 and Gairdner

From: QTLs for stomatal and photosynthetic traits related to salinity tolerance in barley

Trait

QTL

Linkage group

Position

LOD

R2 (%)

Nearest marker

GY-T

QGY-T.CmGa.1H

1H

11

3.95

12.5

bPb-7043

SA-T

QSA-T.CmGa.1H

1H

121.4

3.12

12.5

bPb-9081

TR-C

QTR-C.CmGa.1H

1H

137.6

3.52

14

bPb-1381

BM-C

QBM-C.CmGa.1H

1H

137.6

3.79

15

bPb-1381

GS-C

 

1H

137.6

2.76

11.2

bPb-1381

CI-C

 

1H

137.6

2.75

11.2

bPb-1381

BM-T/C

QBM-T.CmGa.2H

2H

6.8

3.49

14

bPb-7803

TR-T/C

 

2H

6.8

2.54

10.4

bPb-7803

GS-T

 

2H

10.3

2.54

10.3

bPb-1949

LT-C

QLT-C.CmGa.2H

2H

112.8

4.19

16.5

bPb-0827

LT-T

QLT-T.CmGa.2H

2H

112.8

3.09

11.2

bPb-0827

GY-C

QGY-C.CmGa.2H

2H

134

3.77

15

Ebmatc0039

VPD-T/C

 

2H

153.6

2.63

10.7

bPb-2701

GY-T

QGY-T.CmGa.3H

3H

58.9

4.35

13.9

bPb-0198

GY-T/C

QGY-T/C.CmGa.3H

3H

58.9

4.42

17.3

bPb-0198

STC

QSTC.CmGa.3H

3H

60.1

4.29

16.8

Bmac209

AWL-T

 

3H

136.9

2.78

11.3

bPb-3634

SCL-T

 

4H

122.5

2.98

12

bPb-6153

LT-T

 

5H

53.3

2.69

9.7

bPb-2762

SCW-C

 

6H

93.5

2.81

11.4

EBmac602

SCV-C

 

6H

93.5

2.58

10.5

EBmac602

LT-C

 

7H

63.9

2.81

9.5

bPb-1209

  1. Tentative QTL: 2.5 < LOD < 3.0. QTL: LOD > 3.0
  2. Abbreviations: −C traits under control conditions, −T traits under salt treatment, −T/C the ratio of traits under salt treatment to traits under control conditions, GY grain yield, BM biomass, STC salinity tolerance score, gas exchange traits, TR transpiration rate, LT leaf temperature, GS stomatal conductance, CI intercellular CO2 concentration, VPD leaf vapour pressure deficit, SA stomatal pore area, AWL aperture width/length, SCL subsidiary cell length, SCW subsidiary cell width, SCV subsidiary cell volume