Performance and Genetic Variability of Okra (Abelmoschus esculentus (L.) Moench) Genotypes in Ethiopia for Agromorphology and Biochemical Traits
Table 2
Genetic variability components for 27 traits of 36 okra genotypes evaluated at Melkassa in 2018.
Trait
Range
Mean
σ2g
σ2p
GCV (%)
PCV (%)
H2 (%)
GA
GAM (%)
Days to 50% emergence
7-8
7.63
0.07
0.22
3.58
6.18
33.63
0.33
4.29
Days to first flowering
50–61.5
54.54
9.92
12.34
5.78
6.44
80.41
5.83
10.69
Days to 50% flowering
54.5–66.5
58.85
9.74
12.94
5.3
6.11
75.31
5.59
9.5
Days to maturity
74–87
79.25
10.42
14.68
4.07
4.83
70.98
5.61
7.08
Stem diameter (cm)
1.27–2.34
1.76
0.04
0.1
11.81
17.65
44.8
0.29
16.31
Plant height (cm)
70.5–162.03
114.16
449.98
703.53
18.58
23.23
63.96
35
30.66
Number of branches
0.7–4.15
2.23
0.92
1.07
43.03
46.33
86.25
1.84
82.44
Number of inter nodes
12.1–20.93
14.83
1.82
5.18
9.09
15.34
35.11
1.65
11.11
Inter node length (cm)
3–10.5
5.33
2.18
2.85
27.71
31.66
76.6
2.67
50.04
Leaf length (cm)
10.5–19
14.41
2.17
5.85
10.23
16.78
37.14
1.85
12.86
Leaf width (cm)
14.84–27.1
20.18
6.2
14.93
12.34
19.15
41.56
3.31
16.42
Peduncle length (cm)
1–3
1.9
0.12
0.16
17.52
20.23
74.96
0.62
31.29
Fruit length (cm)
8.25–22.86
15.45
5.99
7.66
15.84
17.92
78.1
4.46
28.88
Number of fruit ridge
5–9.5
7.06
0.64
1.05
11.3
14.49
60.85
1.28
18.19
Fresh fruit weight (g)
20.82–62.41
34.77
80.25
110.39
25.77
30.22
72.7
15.76
45.32
Number of fruit per plant
19–33.86
0.96
14.4
21.06
13.85
16.75
68.38
6.47
23.63
Number of mature pod
3.5–18.75
9.09
8.42
11.2
31.92
36.81
75.21
5.19
57.12
Fruit yield per plant (kg)
0.57–1.86
0.96
0.05
0.1
23.97
32.69
53.78
0.35
36.27
Fruit yield ton ha−1
11.69–38.85
20.06
20.91
43.01
22.79
32.69
48.63
6.58
32.79
Number of seeds per pod
62.63–128.17
96.64
139.09
226.32
12.2
15.57
61.45
19.07
19.74
Hundred seeds weight (g)
5.32–8
6.61
0.24
0.44
7.35
9.99
54.06
0.74
11.14
Seed yield per plant (g)
23.95–116.31
58.53
391.84
562.16
33.82
40.51
69.7
34.09
58.26
Seed yield per hectare (kg)
498.9–2423
1219
170064.5
243990
33.82
40.51
69.7
710.27
58.25
Total ash (%)
3.82–4.96
4.3
0.05
0.05
4.96
5.17
92.24
0.42
9.83
Crude fat (%)
13.13–17.21
15.35
0.57
1.08
4.94
6.76
53.31
1.14
7.44
Crude fiber (%)
23.8–37.01
30.37
10.53
10.99
10.69
10.92
95.78
6.55
21.57
Total protein (%)
4.51–24.79
11.06
26.24
26.29
46.31
46.35
99.81
10.56
95.45
σ2g and σ2p represent genotypic and phenotypic variance, respectively; GCV (%) and PCV (%) represent genotypic and phenotypic coefficient of variation, respectively; H2 is heritability in broad sense; GA and GAM (%) are genetic advance and genetic advance as percent of mean, respectively.
