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Table 7 Genetic variability, genotypic coefficient and phenotypic coefficient of variability and heritability in broad sense for all studied traits of maize across two locations

From: Combining abilities and genetic parameters for grain yield and some agronomic traits in maize (Zea mays L.)

Genetic paramerter

Traits 

σ2g

σ2e

σ2p

GCV %

PCV %

h2b %

DTS

1.80

2.05

3.85

2.30

3.37

46.77

PHT

167.75

174.68

342.43

4.75

6.78

48.99

EHT

170.37

153.09

323.45

9.52

13.12

52.67

EPOS%

6.27

26.96

33.23

5.02

11.55

18.86

E/100P

24.97

65.47

90.44

4.79

9.12

27.61

EL

1.61

1.08

2.68

7.81

10.09

59.89

ED

0.01

0.03

0.05

2.38

4.48

28.23

KR−1

7.23

7.03

14.26

7.71

10.83

50.72

GY ard fed−1

3.31

15.88

19.18

6.61

15.91

17.24

  1. DTS days to 50% silking (days), PHT plant height, cm, EHT ear height, cm, Epos% ear position %, E100P ears/100plant, El Ear Length, cm, ED Ear Diameter, cm, KR−1 no of Kernels Row, GY Grain Yield ard fed−1