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Table 2 ANOVA results, narrow sense heritability estimates with standard error for the traits measured across two normal-N and two low-N conditions

From: Validation of QTL mapping and transcriptome profiling for identification of candidate genes associated with nitrogen stress tolerance in sorghum

Category

Source of variation

Df

Chl1

Chl2

Chl3

PH

AD

MC1

MC2

BY

GY

TGW

GS

Normal-N

 

Line

207

33.2**

41.9***

62.8**

1985***

34.5***

26***

86.3

32.6**

6.97**

23*

0.24*

Env

1

458

851**

9218***

17,843

19309***

1628

9598

8.5

11.3

13674**

0.36

Rep(Env)

2

104.7*

33.8

4.64

18042***

34.3**

636***

6792***

4.35

0.87

208***

0.58*

Blk(Env*Rep)

54

19.5***

15.1**

38.5**

433.8***

4.72

15.8***

44.8*

15.3**

1.78

7.16

0.14

Env*Line

172

20.6***

22.4***

41.9***

971***

18.4***

16.4***

69.9***

21.8***

4.7***

17.7***

0.17

Residual

325

7.78

9.03

23.9

113.4

4.43

6.07

28.71

9.5

1.73

5.44

0.15

h 2

 

0.45

0.45

0.18

0.51

0.46

0.39

0.25

0.35

0.37

0.35

0.33

SE

 

0.08

0.09

0.15

0.08

0.08

0.09

0.11

0.1

0.09

0.1

0.1

Low-N

 

Line

207

24.4**

49.8**

58.8**

1793***

221***

30***

196***

12**

2.51**

37***

0.11***

Env

1

2438*

25638**

39857**

984

47395***

428

70.3

942

371**

8075

15.4*

Rep(Env)

2

140**

115

247**

394

50

327***

8625***

93.2**

4.38

882***

0.5**

Blk(Env*Rep)

54

14.4

31**

33*

280*

71.3**

16.1**

85.2*

7.71*

1.38**

19.2**

0.04

Env*Line

172

15.2**

29.5**

35.7**

559***

67.5***

16.3***

102***

7.7***

1.6***

16.4**

0.05***

Residual

325

11.2

18.6

22.1

192.6

36

9.0

55.5

4.72

0.83

10.5

0.03

h 2

 

0.41

0.43

0.43

0.71

0.73

0.51

0.48

0.38

0.36

0.6

0.58

SE

 

0.08

0.09

0.15

0.08

0.08

0.09

0.11

0.1

0.09

0.1

0.1

  1. Source of variation: Env, environments (Normal-N and Low-N), Rep, replications; Blk, blocks; df, degrees of freedom; Chl1, Chl2, Chl3, chlorophyll contents (at vegetative, anthesis, and maturity stages); 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); TGW, thousand grain weight (g); GS, grain-to-stover ratio (%). ***P < 0.0001; ** P < 0.01; *P < 0.05. h2-narrow sense heritability; calculated, SE is standard error