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Table 2 Repeatable QTLs detected for juice volatiles in the mandarin F1 population, ‘Fortune’ x ‘Murcott’, using Kruskal-Wallis (K-W) and Composite Interval Mapping (CIM)

From: Identification of QTLs controlling aroma volatiles using a ‘Fortune’ x ‘Murcott’ (Citrus reticulata) population

Compound

QTLa

Harvest date

Linkage group

K-Wb

LOD Thrc

LOD maxd

Positione

Nearest marker

Marker positionf

Effect

R2 (%)g

Ethanol

PK3–7.1

H1–12

FOR7.1

******

3.07

4.58

40.592

m741_s7

40.592

−0.61

23.45

 

H2–12

FOR7.1

******

2.91

3.65

40.592

m741_s7

40.592

−0.63

22.46

 

H2–13

FOR7.1

*****

2.77

3.22

40.592

m741_s7

40.592

−0.51

17.72

PK3–7.2

H2–12

MUR7.2

*

2.83

7.05

4

m906_s7

6.4

2.29

38.86

 

H1–13

MUR7.2

*

2.54

5.49

4

m906_s7

6.4

1.28

25.49

Heptanal

PK65–1.1

H1–13

FOR1.1

-

2.87

3.54

42.5

m783_s1

42.9

−0.72

17.1

 

H2–13

FOR1.1

*****

2.81

3.37

44.7

m884_s1

44.7

−0.83

18.49

Octanal

PK90–8.1

H1–12

FOR8.1

****

2.94

3.19

43.4

m244_s8

43.4

−0.67

16.96

 

H2–13

FOR8.1

***

2.88

3.62

49.4

m244_s8

43.4

−0.59

19.69

Ethyl acetate

PK20–7.1

H2–12

FOR7.1

*******

2.83

3.95

40.592

m741_s7

40.592

−0.71

24.11

 

H2–13

FOR7.1

******

2.86

3.6

43.559

m860_s7

44.264

−0.72

19.58

Citronellyl acetate

PK216–1.2

H1–13

MUR1.2

-

2.68

3.35

0

m1436_s1

0

0.97

16.4

 

H2–13

MUR1.2

*******

2.76

3.94

0

m1436_s1

0

1.24

21.5

PK216–4.1

H1–12

MUR4.1

*******

2.54

7.37

0.91

m163_s4

0.91

0.67

34.93

 

H2–12

MUR4.1

*******

2.65

4.49

4.55

m959_s4

4.55

0.66

26.89

 

H2–13

MUR4.1

****

2.76

3.02

5.46

m1019_s4

5.46

0.95

16.93

Neryl acetate

PK220–4.1

H1–12

MUR4.1

*******

2.68

7.93

0.91

m163_s4

0.91

1.06

37

 

H2–12

MUR4.1

*******

2.67

6.76

4.55

m959_s4

4.55

1.07

37.59

 

H2–13

MUR4.1

*******

2.98

8.35

5.46

m1019_s4

5.46

2.64

40.1

p-Menth-1-en-9-ol acetate

PK244–2

H1–12

MUR2

******

2.5

4.06

5.46

m167_s2

5.46

−0.53

21.06

 

H1–13

MUR2

*****

2.63

4.18

7.28

m512_s2

7.28

−1.01

20.07

1,3-Pentadiene

PK9–4.1

H2–12

MUR4.1

*******

2.83

6.59

8.19

m358_s4

8.19

1.12

36.86

 

H2–13

MUR4.1

******

2.56

3.49

0

m65_s4

0

0.64

19.3

RI1549

PK300–6.2

H1–12

FOR6.2

*****

2.87

3.49

12.75

m485_s6

12.75

−0.86

18.39

 

H1–13

FOR6.2

****

2.69

3.27

1.82

m1258_s6

1.82

−0.52

15.91

Spirolepechinene

PK262–3.3

H2–12

FOR3.3

*******

2.9

7.98

25.9

m261_s3

25.9

−1.63

42.68

 

H1–13

FOR3.3

*******

3.01

3.46

25.9

m261_s3

25.9

−0.41

16.73

PK262–3.4

H1–12

FOR3.4

******

2.8

3.32

0

m751_s3

0

0.89

17.58

 

H2–13

FOR3.4

*******

2.79

4.37

3.64

m643_s3

3.64

0.68

23.29

RI1495

PK280–3.3

H1–12

FOR3.3

*******

2.98

6.67

25.9

m261_s3

25.9

−1.18

32.23

 

H2–12

FOR3.3

*******

2.91

12.53

12.503

m572_s3

9.645

−2.04

58.3

 

H1–13

FOR3.3

*******

2.95

5.88

6.824

m92_s3

6.824

−0.7

26.76

 

H2–13

FOR3.3

*******

3.04

10.98

25.9

m261_s3

25.9

−1.31

48.6

Valencene

PK284–3.3

H1–12

FOR3.3

****

2.81

3.51

23.042

m66_s3

21.042

−0.62

18.5

 

H2–12

FOR3.3

*******

2.87

9.4

21.042

m66_s3

21.042

−0.97

48.09

 

H1–13

FOR3.3

*******

2.95

17.22

25.9

m261_s3

25.9

−1.83

59.82

 

H2–13

FOR3.3

*******

2.96

12.72

25.9

m261_s3

25.9

−3.26

53.74

α-Selinene

PK286–3.3

H1–13

FOR3.3

*******

2.86

4.74

25.9

m261_s3

25.9

−0.85

22.21

 

H2–13

FOR3.3

*******

2.91

11.28

25.042

m261_s3

25.9

−1.57

49.51

Premnaspirodiene

PK287–3.3

H2–12

FOR3.3

******

3.05

4.09

23.042

m66_s3

21.042

−1.3

24.83

 

H1–13

FOR3.3

*******

2.99

3.73

5.889

m156_s3

5.889

−0.49

17.92

 

H2–13

FOR3.3

*******

3

5.67

7.758

m1241_s3

7.758

−0.84

29.08

δ-Cadinene

PK288–6.1

H2–12

MUR6.1

****

2.69

6.82

7.82

m796_s6

1.82

0.94

37.84

 

H1–13

MUR6.1

*****

2.6

3.36

9.82

m796_s6

1.82

0.98

16.48

 

H2–13

MUR6.1

**

2.62

2.96

15.82

m858_s6

25.21

1.18

16.61

Calamenene

PK291–6.1

H2–12

MUR6.1

***

2.67

4.96

5.82

m796_s6

1.82

0.61

29.25

 

H1–13

MUR6.1

***

2.49

3.14

11.82

m796_s6

1.82

0.88

15.47

7-epi-α-Selinene

PK292–3.3

H1–12

FOR3.3

******

2.99

4.54

21.042

m66_s3

21.042

−1.07

23.27

 

H2–12

FOR3.3

*******

2.99

11.46

20.108

m17_s3

20.108

−1.89

55.05

 

H2–13

FOR3.3

*******

3.04

12.2

25.042

m261_s3

25.9

−1.23

52.25

α-Terpinene

PK94–2

H1–13

MUR2

*******

2.63

4.5

8.2

m1069_s2

8.2

−0.66

21.43

 

H2–13

MUR2

***

2.67

3.09

7.28

m512_s2

7.28

−0.58

17.29

β-Phellandrene

PK98–1.1

H1–13

FOR1.1

*******

2.92

5.81

44.7

m884_s1

44.7

1.12

26.48

 

H2–13

MUR1.1

***

2.72

3.43

30.95

m1271_s1

30.95

−0.81

18.98

PK98–2

H1–13

MUR2

******

2.56

4.45

8.2

m1069_s2

8.2

−0.73

21.22

 

H2–13

MUR2

***

2.68

2.98

7.28

m512_s2

7.28

−0.83

16.74

γ-Terpinene

PK106–6.3

H1–13

FOR6.3

***

2.9

3.4

0

m12_s6

0

0.61

16.49

 

H2–13

FOR6.3

****

2.88

4.46

0

m12_s6

0

1.01

23.66

Allo-ocimene isomer

PK136–1.1

H1–13

FOR1.1

*******

2.73

8.42

44.7

m884_s1

44.7

1.31

35.97

 

H2–13

FOR1.1

***

2.82

4.09

44.7

m884_s1

44.7

0.98

21.97

  1. a QTLs are literally named using compound code followed by the number of the linkage group in which the QTL is located
  2. b Significance level of Kruskal-Wallis test. - p > 0.05; * p < 0.05; ** p < 0.01; *** p < 0.001; **** p < 0.0001; ***** p < 0.00001; ****** p < 0.000001; ******* p < 0.0000001
  3. c LOD threshold determined by 1000 permutation tests for each trait in each harvest and each map
  4. d The LOD maximum for each QTL
  5. e The QTL position (in cM) from the top of LG
  6. f The nearest marker position (in cM) from the top of LG
  7. g The percentage of the total phenotypic variation explained by the QTL