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Table 2 Descriptive statistics, h2, and mean squares of ANOVA results for the traits measured across two low-N conditions in CK60 x China17 RIL population

From: Mapping QTLs and association of differentially expressed gene transcripts for multiple agronomic traits under different nitrogen levels in sorghum

Category

Source of variation

Df

Chl1

Chl2

Chl3

PH

AD

MC1

MC2

BY

GY

TW

GS

Descriptive statistics

CK60

 

31.8

39.5

40.2

76.3

90.5

68.6

34.4

3.75

1.21

20.2

0.49

 

China17

 

32.7

33.9

28.7

153.1

77.1

60.7

23.8

6.83

2.72

28.3

0.46

 

RIL Mean

 

33.3

36.8

31.8

131.7

82.6

66.2

27.4

6.43

1.86

20.3

0.42

 

Std Dev

 

3

3.9

5.4

38.7

7.8

3.2

9

2.1

0.79

3.3

0.14

 

Min

 

27.3

25.2

12.3

55.9

66.7

55.5

13.4

2.91

0.06

12.1

0.01

 

Max

 

40.2

48.1

46.2

214

108.2

74.6

57.8

13.2

5.02

27.8

0.96

 

h2 (%)

 

59

43

50

80

75

71.6

76

48

47

75

32

 

SE (%)

 

8

12

10

4

5

6

5

10

10

5

14

ANOVA

Env

1

360.5

16104***

24768**

4740.9

54521***

186

264

435.9*

163***

368.1

6.32*

 

Rep(Env)

2

87.7*

23.3

131.7*

771.4

48.85

129***

670.5**

21.4

0.16

1779***

0.22**

 

Blk(Env*Rep)

44

16.6*

19.1

18.66

412.3**

36.67

7.8

35

5.9

0.69

6.14

0.01

 

Line

130

27.2***

45.6**

87.7**

4475***

167.4***

31.7***

238.0***

15.0**

1.97**

32.7***

0.05*

 

Env*Line

104

12.1

27.3***

44.03***

1001***

46.8*

9.9***

66.2***

8.87**

1.17**

9.48**

0.03***

 

Residual

190

10.7

13.9

15.13

189.9

31.78

6.58

34.2

5.5

0.75

5.67

0.02

  1. Df, degrees of freedom; chlorophyll contents at vegetative stage (Chl1), at anthesis (Chl2), and at maturity (Chl3); PH, plant height (cm); AD, days to anthesis; MC1, % stover moisture content; MC2, % head moisture content; BY, biomass yield (t.ha−1); GY, grain yield (t.ha−1); TW, test weight (g); GS, grain/stover ratio (%). Std, standard deviation; h2 (%), narrow sense heritability; SE (%), standard error %; ***P < 0.0001; **P < 0.01; *P < 0.05