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Table 3 QTLs for yield and yield component traits in three populations under reproductive-stage drought stress in DS2009 and DS2010

From: qDTY 1.1 , a major QTL for rice grain yield under reproductive-stage drought stress with a consistent effect in multiple elite genetic backgrounds

Population

Trait

QTL

Chromosome

Peak interval

F-value

Additive effect (%)

R2

     

2009

2010

Combined

2009

2010

Combined

2009

2010

Combined

N22/Swarna

DTF

qDTF 1.1

1

RM11943-RM431

21.99

10.35

17.85

-2.7

-2.2

-2.3

5.2

2.0

3.5

  

qDTF 3.2

3

RM60-RM22

79.62

135.54

134.86

-4.3

-8.2

-6.3

23.4

33.3

34.9

 

PH

qDTH 1.1

1

RM11943-RM12091

124.03

60.30

120.30

12.9

9.0

11.8

38.6

21.7

32.6

 

BIO

qDTB 1.1

1

RM315-RM431

67.45

8.12

65.47

30.8

6.4

22.6

20.1

4.4

20.1

  

qDTB 3.2

3

RM60-RM22

 

24.61

  

-10.2

  

8.6

 
 

GY

qDTY 1.1

1

RM11943-RM12091

42.89

11.03

40.83

35.5

9.4

29.3

  

13.4

  

qDTY 3.2

3

RM60-RM22

17.14

 

15.08

13.6

 

12.9

3.2

 

3.2

 

HI

qDTHI 1.1

1

RM11943-RM431

20.05

  

9.5

  

6.2

  
  

qDTHI 3.2

3

RM60-RM22

73.62

13.52

61.97

19.9

11.1

20.1

12.5

4.8

18.5

N22/IR64

DTF

qDTF 1.1

1

RM11943-RM431

20.43

17.71

22.56

-1.2

-2.1

-1.7

7.1

6.2

7.6

 

PH

qDTH 1.1

1

RM11943-RM431

280.28

132.25

223.48

17.6

8.7

10.4

58.0

36.9

51.8

 

BIO

qDTB 1.1

1

RM11943-RM431

91.73

 

85.00

24.2

 

16.1

24.3

 

22.6

 

GY

qDTY 1.1

1

RM11943-RM12091

69.16

11.17

57.61

30.0

10.1

24.3

  

16.9

  

qDTY 2.3

2

RM263-RM530

 

10.88

  

9.6

  

4.6

 
 

HI

qDTHI 2.3

2

RM13600-RM263

 

17.69

9.21

 

16.8

8.3

 

4.9

3.7

N22/MTU1010

DTF

qDTF 1.1

1

RM11943-RM431

10.14

27.32

23.17

1.0

-2.0

-1.4

1.6

6.9

5.5

  

qDTF 3.3

3

RMRM517-RM232

15.33

  

-1.1

  

2.6

  
  

qDTF 10.1

10

RM271-RM304

55.21

45.50

65.29

2.4

2.5

2.5

9.8

8.9

11.8

 

PH

qDTH 1.1

1

RM11943-RM431

284.32

177.08

307.80

16.1

14.2

15.3

5.3

3.7

53.5

 

BIO

qDTB 1.1

1

RM11943-RM431

127.94

28.74

149.47

21.6

9.6

17.6

22.3

7.6

30.3

 

GY

qDTY 1.1

1

RM11943-RM12091

36.77

18.47

40.04

18.1

9.6

16.1

  

12.6

  

qDTY 10.1

10

RM216-RM304

19.94

15.68

24.20

-13.2

-12.6

-12.2

3.7

3.0

5.0