AMMI Stability Analysis and Estimation of Genetic Parameters for Growth and Yield Components in Cassava in the Forest and Guinea Savannah Ecologies of Ghana
Table 6
Mean performance of 20 cassava genotypes evaluated in four environments.
Genotypes
Plt_ht (cm)
Ht_branch (cm)
St_diam (cm)
CMD (1–5)
Rt_yld (t/ha)
HI
DM (%)
00/0203
137.73
35.38
2.33
1.00
31.29
0.66
31.71
96/1708
142.52
75.27
2.22
1.08
32.95
0.65
30.78
96/409
180.88
58.58
2.61
1.17
27.69
0.53
29.80
ATR 002
160.53
62.17
2.36
1.15
22.36
0.61
36.05
ATR 007
221.98
77.95
2.16
1.48
24.29
0.53
35.06
Biabasse
158.42
69.87
2.14
2.58
24.32
0.59
29.87
CTSIA 110
214.08
46.58
2.39
2.33
16.41
0.43
38.99
CTSIA 112
203.43
55.30
2.40
2.54
21.25
0.54
33.32
CTSIA 230
191.73
45.72
2.14
3.13
13.52
0.47
31.01
CTSIA 45
174.40
48.95
2.30
2.17
21.15
0.55
36.05
CTSIA 48
157.05
57.93
2.21
2.75
11.87
0.52
33.37
CTSIA 65
249.67
136.65
2.01
2.75
12.38
0.47
31.78
CTSIA 72
211.65
110.83
1.84
2.75
14.17
0.59
34.40
I91934
146.37
36.38
2.13
1.25
27.94
0.60
28.24
MM96/1751
190.92
75.80
2.32
1.00
32.43
0.66
29.25
NWA 004
200.22
69.47
2.15
1.23
22.97
0.54
34.49
Pontisange
202.22
115.20
2.19
2.58
25.77
0.57
30.94
TME 419
199.12
89.42
2.34
1.10
26.53
0.56
31.38
TME 435
188.97
79.95
2.33
1.10
26.60
0.59
31.69
UCC 2001/449
173.37
41.03
2.52
1.33
35.97
0.59
29.45
Mean
185.26
69.42
2.25
1.82
23.59
0.56
32.38
SED
9.68
6.56
0.10
0.38
3.20
0.02
3.05
Plt_ht (cm) = plant height (cm), Ht_branch (cm) = height at first branching, CMD (1–5) = cassava mosaic disease score (1–5 scale) where 1 denotes no symptom and 5 denotes highly diseased plant, and HI = harvest index.
