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Table 2 Trait Variation in the IR64 × Azucena Segregating Populations and the Parental Lines Across the Four Experiments

From: Genetic Analysis of Water Use Efficiency in Rice (Oryza sativa L.) at the Leaf Level

Trait names (unit)

Exp

Pop

No. ind

Mean

SD

Min

Max

IR64

Azucena

Trial CV

h2

Δ13C (per mil)

E1

DH

62

20.64

0.52

19.56

21.69

20.56

20.51

1.6

0.81

E2

DH

93

21.03

0.37

20.13

21.71

21.01

20.75

1.0

0.85

E3

RIL

143

21.77

0.45

19.84

22.86

21.54

21.59

1.2

0.84

E4

RIL

167

22.56

0.55

21.13

23.86

22.41

22.36

1.7

0.77

%N (%)

E1

DH

62

5.11

0.25

4.52

5.66

4.89

5.25

3.9

0.69

E2

DH

93

4.58

0.32

3.82

5.28

4.65

4.18

6.1

0.61

E3

RIL

143

4.85

0.34

3.83

5.57

4.59

4.83

6.4

0.62

E4

RIL

167

3.72

0.34

2.84

4.60

3.51

3.25

7.7

0.69

SLA (m2 kg−1)

E1

DH

62

23.42

2.27

18.80

28.07

25.19

21.37

6.0

0.80

E2

DH

93

22.64

1.98

18.35

28.12

24.69

20.95

5.5

0.80

E3

RIL

143

28.97

1.95

23.50

35.74

31.41

28.65

4.3

0.82

E4

RIL

167

27.14

2.61

21.55

34.91

29.20

25.66

9.5

0.53

SB (g)

E1

DH

62

1.62

0.45

0.83

2.53

1.52

2.11

19.8

0.75

E2

DH

93

2.41

0.42

1.45

3.13

2.68

3.10

  

LW (mm)

E2

DH

93

8.79

0.98

6.75

11.54

7.65

10.38

6.8

0.82

E3

RIL

143

10.39

1.41

5.72

13.68

9.36

12.76

5.6

0.94

E4

RIL

167

11.35

1.79

6.55

16.45

10.20

14.19

7.6

0.90

LL (cm)

E2

DH

93

53.00

5.20

39.10

66.51

50.04

58.83

4.9

0.88

E3

RIL

143

62.05

7.34

41.44

83.29

56.25

75.05

5.3

0.93

E4

RIL

167

75.03

9.03

55.05

102.22

70.23

90.98

5.4

0.91

TN (#)

E2

DH

93

12.48

2.43

6.71

19.00

15.79

11.06

13.3

0.77

E3

RIL

143

9.49

2.27

4.17

17.02

14.56

7.40

19.2

0.80

E4

RIL

167

13.43

3.82

4.71

27.48

22.06

10.13

17.4

0.85

LF (score 1–3)

E2

DH

93

1.66

0.62

1.00

3.00

1.00

1.50

21.3

0.84

(score 1–5)

E4

RIL

167

2.11

0.80

1.00

4.56

1.64

2.14

20.5

0.86

LE (score 1–3)

E2

DH

93

1.66

0.61

1.00

3.00

2.00

3.00

15.4

0.84

(score 1–5)

E4

RIL

167

2.17

0.63

1.00

3.93

1.64

2.14

19.3

0.78

Ci/Ca (µl−1)

E3

RIL

140

276.15

242.00

299.36

272.77

285.77

E4

RIL

166

287.64

9.18

257.01

304.02

280.05

290.93

2.9

0.57

A/m2 (µmol m−2 s−1)

E3

RIL

140

26.19

19.00

35.89

25.37

26.62

E4

RIL

167

27.00

2.67

20.87

33.39

25.59

24.49

7.6

0.71

SCO (mol m−2 s−1)

E3

RIL

140

0.50

0.29

0.85

0.46

0.56

E4

RIL

167

0.60

0.10

0.33

0.86

0.51

0.56

14.1

0.69

RWC (%)

E4

RIL

167

0.87

0.03

0.73

0.93

0.85

0.90

4.6

lABA (ln(nmol m−2))

E3

RIL

143

1.72

0.35

0.31

2.70

2.13

1.30

19.6

0.67

E4

RIL

167

0.58

0.38

−0.64

2.14

0.05

0.07

67.8

0.50