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Table 2 Identified QTLs of 10 fruit-related traits

From: Construction of a high-density SNP-based genetic map and identification of fruit-related QTLs and candidate genes in peach [Prunus persica (L.) Batsch]

I. QTLs of quantitative traits using interval mapping and multiple QTL model method

Trait

Year

LG

Cofactor Marker

QTL

Genetic Position

Physical Position

LOD

explained variations (%)

Start (cM)

Final (cM)

Interval (cM)

Start (bp)

Final (bp)

Fruit weight (FW)

2015

4

Marker415082371

qP-FW4.11

97.3

98.289

0.99

15,082,371

16,710,388

2.81

7.0

2016

4

Marker46320002

qP-FW4.22

45.027

45.421

0.39

6,316,366

6,320,223

2.47

6.4

2016

5

Marker57632555

qP-FW5.12

55.908

56.194

0.29

7,318,892

7,816,084

2.2

5.3

2016

6

Marker628159465

qP-FW6.12

108.055

108.055

0.00

28,159,465

28,159,465

2.54

5.8

Fruit diameter (FD)

2015

4

Marker415082371

qP-FD4.11

97.3

98.289

0.99

15,082,371

16,710,388

3.84

10.3

2016

4

Marker46320002

qP-FD4.22

45.027

45.027

0.00

6,320,002

6,320,002

2.59

5.9

2015

5

Marker57664342

qP-FD5.11

55.908

55.908

0.00

7,664,342

7,664,342

2.16

6.8

2016

5

Marker57632555

qP-FD5.22

55.908

56.194

0.29

7,318,892

7,816,084

2.67

6.0

Percentage of red skin color (PSC)

2016

1

Marker121499106

qP-PSC1.12

56.814

57.179

0.37

21,487,305

21,513,105

2.8

6.4

2016

3

Marker310648307

qP-PSC3.11

108.701

108.709

0.08

10,648,307

10,838,614

2.06

4.9

2015

4

Marker419804890

qP-PSC4.11

121.898

121.915

0.02

19,804,890

19,842,357

2.58

7.0

2016

4

Marker428152553

qP-PSC4.22

149.991

150.074

0.08

28,152,553

28,561,890

3.27

7.5

2015

6

Marker626821847

qP-PSC6.11

99.526

99.537

0.01

26,821,847

26,822,849

2.52

6.6

Eating quality (EQ)

2016

1

Marker121482495

qP-EQ 1.12

55.794

56.344

0.55

21,332,095

21,482,979

2.55

7.0

2015

1

Marker126704889

qP-EQ 1.21

77.286

77.458

0.17

26,561,825

26,750,141

2.56

6.8

Flavor (FV)

2016

1

Marker127158729

qP-FV1.12

78.031

80.198

2.17

26,694,116

27,334,450

3.36

7.7

2016

1

Marker128065739

qP-FV1.22

83.271

86.952

3.68

27,653,862

28,166,262

3.52

8.1

2016

3

Marker33722468

qP-FV3.12

31.417

70.374

38.96

3,128,322

4,476,565

4.56

10.4

2015

4

Marker417553353

qP-FV4.11

100.574

103.631

3.06

15,270,537

17,635,472

2.99

6.7

2015

5

Marker5638231

qP-FV5.11

20.72

20.72

0.00

638,231

638,231

2.2

13.9

2015

5

Marker51499828

qP-FV5.21

42.642

42.897

0.25

1,499,828

1499,831

2.33

5.3

II. QTLs of qualitative traits using Kruskal-Wallis method

Trait

Year

LG

Cofactor marker

QTL

Genetic Position

Physical Position

K*

Signif.

Start (cM)

Final (cM)

Interval (cM)

Start (bp)

Final (bp)

Red in flesh (RF)

2016

1

Marker124532043

qP-RF1.12

68.951

72.768

3.82

24,430,498

25,072,844

11.255

****

2015

1

Marker124908662

qP-RF1.2.1

68.826

76.049

7.22

24,397,147

26,479,742

8.896

****

Red around pit (RP)

2016

1

Marker126704889

qP-RP1.12

77.016

77.286

0.27

26,671,055

26,704,889

7.21

**

2015

1

Marker126704889

qP-RP1.21

77.286

77.286

0.00

26,704,889

26,704,889

6.673

**

2016

1

Marker126747840

qP-RP1.32

77.458

77.458

0.00

26,747,840

26,750,141

8.585

**

2015

1

Marker126747840

qP-RP1.41

77.458

77.458

0.00

26,747,840

26,750,141

6.053

**

2016

1

Marker126757867

qP-RP1.52

77.56

77.56

0.00

26,757,867

26,757,867

12.311

****

2015

1

Marker126757867

qP-RP1.61

77.56

77.56

0.00

26,757,867

26,757,867

6.595

**

2016

1

Marker127176678

qP-RP1.72

79.16

79.16

0.00

27,176,678

27,176,678

13.627

****

2015

1

Marker127176678

qP-RP1.81

79.16

79.16

0.00

27,176,678

27,176,678

6.063

**

Adherence to Pit (AP)

2016

3

Marker37112788

qP-AP3.12

78.489

86.066

7.58

6,258,941

7,861,876

4.788

**

2015

3

Marker37112788

qP-AP3.21

78.489

86.066

7.58

6,258,941

7,861,876

5.768

**

2016

7

Marker715748214

qP-AP7.12

44.76

44.76

0.00

15,748,214

15,748,214

11.619

****

2015

7

Marker715748214

qP-AP7.21

44.76

44.76

0.00

15,748,214

15,748,214

12.766

****

2015

4

Marker423822119

qP-AP4.11

141.869

142.718

0.85

23,822,117

23,822,119

9.372

***

2016

4

Marker414000094

qP-AP4.22

76.372

76.372

0.00

14,000,094

14,000,094

7.168

**

2016

4

Marker418581993

qP-AP4.32

110.133

110.133

0.00

18,581,993

18,581,993

7.073

**

Fruit development period (FDP)

2016

7

Marker72036314

qP-FDP7.12

2.454

2.521

0.07

1,838,911

2,036,314

6.564

**

2015

7

Marker72036314

qP-FDP7.21

2.454

2.521

0.07

1,838,911

2,036,314

5.472

**

2016

4

Marker420753150

qP-FDP4.12

126.847

126.847

0.00

20,753,150

20,753,150

11.007

****

2015

4

Marker45665856

qP-FDP4.21

40.716

40.716

0.00

5,665,842

5,665,856

6.152

**

2015

4

Marker416420904

qP-FDP4.31

108.949

108.949

0.00

16,420,904

16,420,904

8.099

****

Fruit fiber content (FFC)

2015

2

Marker27416433

qP-FFC2.11

30.062

30.353

0.29

7,416,433

7,501,740

4.244

****

2016

3

Marker314273878

qP-FFC3.12

124.161

124.346

0.19

14,273,878

14,298,880

3.95

**

2015

3

Marker316663661

qP-FFC3.21

138

138.039

0.04

16,663,659

16,663,661

10.159

***

2016

7

Marker76260019

qP-FFC7.12

12.237

12.237

0.00

6,260,019

6,260,019

6.52

**

2015

7

Marker76260019

qP-FFC7.21

12.237

12.237

0.00

6,260,019

6,260,019

8.318

**

  1. K*: the Kruskal–Wallis test statistic. **: 0.01; ***: 0.001; ****: 0.0001