Table 5 Mean performances among the ten best and five bottom sorghum genotypes ranked based on their total plant carbon stock and genetic parameters for carbon storage traits in 25 selected sorghum genotypes at Silverton during the 2022/23 growing season

Top ten genotypes

SS27

45.48

39.92

43.27

24.64

19.04

5.61

0.29

7.61

AS122

43.62

40.39

43.43

18

10.42

7.58

0.73

3.69

AS134

44.41

39.34

43.25

16.48

9.34

7.13

0.76

11.38

AS203

44.56

43.41

43.47

15.55

9.15

6.4

0.7

7.23

AS563

44.7

40.26

44.49

14.99

10.33

4.66

0.45

5.91

AS251

43.51

43.26

42.89

14.97

8.48

6.49

0.76

4.57

16MZ

43.2

44.41

43.24

14.92

9.83

5.09

0.52

5.24

AS108

43.74

44.79

43.96

14.55

5.68

8.87

1.56

3.92

ICSV92001

44.55

39.94

44.65

14.33

10.34

3.99

0.39

3.35

LP4403

43.73

43.76

45.31

13.89

8.38

5.51

0.66

3.35

Bottom five genotypes

AS138

44.87

40.72

43.36

8.52

5.35

3.17

0.59

8.04

AS143

44.68

43.67

44.24

8.16

5.41

2.76

0.51

3.87

NW5393

45.09

39.4

44.07

7.96

5.2

2.75

0.53

5.73

AS116

43.78

40.12

43.34

7.69

6.33

1.37

0.22

1.78

AS115

43.44

45.34

43.56

7.52

3.25

4.27

1.31

12.92

Mean

44.25

41.86

43.78

12.95

8.32

4.63

0.62

5.23

SD

0.81

2.74

0.65

5.56

4.57

2.31

0.35

2.21

SE

0.15

0.5

0.12

1.02

0.83

0.42

0.06

0.40

Overall statistics of the 25 genotypes

Mean

44.18

41.1

43.65

12.65

7.98

4.67

0.65

5.84

\(\:{\sigma\:}_{g}^{2}\)

0.17

2.37

0.24

10.13

6.26

2.53

0.06

4.05

\(\:{\sigma\:}_{p}^{2}\)

0.49

10.4

0.25

18.89

13.87

2.95

0.08

4.39

GCV (%)

0.92

3.75

1.12

24.88

30.51

34.62

38.45

40.25

PCV (%)

1.58

7.85

1.15

33.98

45.42

37.39

44.9

41.9

H² (%)

34.02

22.79

96

53.63

45.13

85.74

73.33

92.26

GA (%)

0.49

1.51

0.99

4.8

3.46

3.03

0.41

3.98

GAM (%)

1.1

3.68

2.27

37.54

42.23

66.03

67.82

79.64