Genotypic Variability in Some Morpho-Physiological Traits in Different Environments and Their Relationship with Cassava (Manihot esculenta Crantz) Root Yield
Table 8
Performance of genotypes for 13 traits across six environments.
Genotypes
AGBio (t ha−1)
Branchno_plt
CMDSc (1–5)
Plt_ht (cm)
Levs_plt
St_cond (mmol−2s−1)
L_temp
Rt_yld (t ha−1)
Rtno_plt
Rt_girth (cm)
Rt_length (cm)
HI
L : G
00/0203
15.42
18.63
1.06
137.73
205.23
179.38
34.76
32.62
8.31
6.35
42.53
0.66
7.00
96/1708
19.44
10.67
1.06
142.52
117.38
191.60
35.16
34.28
8.42
5.58
48.19
0.66
9.25
96/409
26.06
11.84
1.11
180.88
143.55
152.27
34.53
31.49
9.09
5.52
40.01
0.54
7.66
ATR 002
13.72
9.55
1.21
160.53
99.90
187.83
34.62
25.28
6.06
6.64
41.48
0.62
7.04
ATR 007
19.87
11.37
1.54
221.98
103.40
171.08
35.27
24.66
7.00
5.41
43.17
0.55
8.49
BIABASSE
13.90
12.92
2.44
158.42
128.70
160.95
34.77
24.06
5.94
5.95
38.74
0.60
6.89
CTSIA 110
19.45
19.71
2.03
214.08
233.43
176.10
35.08
18.73
7.12
4.66
37.35
0.47
8.48
CTSIA 112
18.23
16.45
2.19
203.43
173.32
204.40
35.24
23.95
7.33
5.46
38.79
0.55
7.42
CTSIA 230
14.99
16.13
2.53
191.73
182.33
174.25
34.82
17.32
6.13
4.79
39.52
0.49
8.76
CTSIA 45
16.77
14.05
1.94
174.40
156.43
187.32
34.98
22.38
7.57
4.33
47.70
0.56
11.68
CTSIA 48
11.64
13.39
2.31
157.05
134.77
186.17
34.92
15.77
6.08
4.95
36.86
0.54
7.87
CTSIA 65
13.05
7.85
2.33
249.67
96.95
179.52
35.41
15.58
6.80
4.85
32.78
0.49
7.07
CTSIA 72
9.82
6.23
2.31
211.65
69.83
192.70
34.90
17.79
6.38
5.20
36.24
0.60
7.26
I91934
19.34
18.58
1.17
146.37
187.27
176.33
35.06
30.96
8.09
7.19
35.14
0.61
5.08
MM 96/1751
15.57
3.47
1.00
190.92
63.42
182.80
35.11
33.38
7.33
7.21
37.30
0.67
5.52
NWA 004
17.86
12.52
1.32
200.22
140.12
175.97
35.09
22.78
6.32
5.73
42.86
0.56
7.97
PONTISANGE
15.41
7.39
2.28
202.22
83.35
196.37
34.88
26.27
5.95
5.96
38.66
0.58
7.00
TME 419
19.52
8.27
1.07
199.12
96.80
171.73
34.70
30.60
6.86
6.00
47.45
0.60
8.44
TME 435
17.77
6.60
1.07
188.97
93.43
188.03
34.00
28.93
6.48
6.57
47.31
0.60
8.24
UCC 2001/449
23.38
16.84
1.22
173.37
212.68
176.62
35.10
34.45
7.52
6.40
39.66
0.60
6.54
Mean
17.06
12.12
1.66
185.26
136.12
180.57
34.92
25.56
7.04
5.74
40.59
0.58
7.68
LSD
4.35
3.96
0.30
19.08
56.89
25.75
0.72
4.85
1.10
0.77
3.71
0.03
0.96
AGBio = above ground biomass yield (t ha−1), Branchno_plt = number of branches per plant, CMDSc (1–5) = cassava mosaic virus disease score (scale of 1–5 where 1 = no symptom and 5 = highly diseased plants), HI = harvest index, L : G ratio = storage root length : girth ratio, L_temp = leaf temperature (°C), Levs_plt = number of leaves per plant, Plt_ht (cm) = plant height (cm), Rt_girth = storage root girth (cm), Rt_length = storage root length (cm), Rtno_plt = root number per plant, Rt_yld = storage root yield (t ha−1), St_cond = stomatal conductance (mmol−2s−1).
