Genetic Variability, Heritability, and Clustering Pattern Exploration of Bambara Groundnut (Vigna subterranea L. Verdc) Accessions for the Perfection of Yield and Yield-Related Traits
Table 11
Principal component analysis and Shannon–Weaver diversity index for quantitative traits of Bambara groundnut.
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PC8
PC9
H´ index ()
Evenness
Eigenvalue
9.26
3.14
2.15
1.88
1.39
1.34
1.10
1.08
0.88
Proportion of variance (%)
34.29
11.63
7.95
6.95
5.14
4.95
4.08
4.01
3.28
Cumulative variance (%)
34.29
45.92
53.87
60.81
65.96
70.9
74.98
78.99
82.27
DTE
0.040
0.043
0.196
0.448
0.026
0.243
-0.018
0.029
0.231
5.00
1.00
D50%F
-0.128
0.057
-0.061
-0.041
0.270
0.428
0.172
0.077
-0.180
5.00
1.00
DTM
0.115
0.057
0.063
0.065
0.319
0.318
-0.208
0.175
0.333
5.01
1.00
PH
0.106
0.001
0.296
0.146
0.041
-0.259
0.173
0.429
-0.233
5.00
1.00
NBPP
0.104
0.094
-0.034
0.071
-0.247
-0.037
0.508
0.145
0.366
5.00
1.00
NStPP
0.112
0.108
-0.208
0.231
-0.035
0.069
0.273
-0.171
0.359
4.99
1.00
NPetPP
0.015
0.329
0.432
-0.130
-0.315
0.140
-0.110
-0.181
-0.032
4.98
0.99
NLPP
0.015
0.329
0.432
-0.130
-0.315
0.140
-0.110
-0.181
-0.032
4.98
0.99
NNdPS
0.094
-0.087
0.108
0.067
-0.065
-0.377
-0.386
0.115
0.508
5.00
1.00
INdLn
0.020
0.274
0.195
0.110
0.014
-0.147
0.180
0.580
-0.111
5.00
1.00
BFWP
0.159
0.393
-0.254
-0.222
0.082
-0.058
-0.044
0.041
0.033
4.93
0.98
BDWP
0.162
0.394
-0.252
-0.213
0.080
-0.060
-0.048
0.052
0.033
4.93
0.98
TNPPP
0.294
-0.115
-0.051
-0.006
-0.080
-0.139
-0.112
-0.019
-0.120
5.00
1.00
NMPP
0.299
-0.045
-0.114
0.117
-0.150
-0.091
-0.050
-0.063
-0.164
4.99
1.00
NImPP
-0.001
-0.216
0.186
-0.364
0.206
-0.150
-0.188
0.128
0.124
4.98
0.99
FPW
0.302
-0.089
0.042
-0.181
0.004
0.151
0.098
0.041
0.020
4.96
0.99
DPW
0.302
-0.088
0.044
-0.180
0.003
0.154
0.099
0.041
0.020
4.96
0.99
PodLn
0.195
0.075
-0.060
0.169
-0.067
0.202
-0.295
0.087
0.115
5.00
1.00
PodWD
0.131
0.093
-0.068
0.308
0.125
0.230
-0.361
0.187
-0.267
5.00
1.00
NSdPP
0.299
-0.045
-0.114
0.117
-0.150
-0.091
-0.050
-0.063
-0.164
5.00
1.00
DSWPP
0.301
-0.068
0.020
-0.082
-0.048
0.141
0.112
0.002
-0.023
4.98
0.99
SeedLn
0.191
0.113
0.229
0.138
0.436
-0.179
0.118
-0.317
-0.029
5.00
1.00
SeedWd
0.178
0.129
0.235
0.119
0.433
-0.221
0.120
-0.336
-0.036
5.00
1.00
HSW
0.300
-0.049
-0.114
0.115
-0.146
-0.089
-0.048
-0.062
-0.163
5.00
1.00
Shell
-0.158
0.088
-0.087
0.357
-0.150
-0.096
-0.013
-0.134
-0.112
5.01
1.00
HI
0.081
-0.465
0.256
0.084
-0.087
0.182
0.103
-0.036
-0.012
5.00
1.00
Yld
0.302
-0.088
0.044
-0.180
0.003
0.154
0.099
0.041
0.020
4.96
0.99
Legend: DTE: days to emergence (d); D50%F: days to 50% flowering (d); DTM: days to maturity (d); PH: plant height (cm); NBPP: number of branches per plant; NStPP: number of stems per plant; NPetPP: number of petioles per plant; NLPP: number of leaves per plant; NNdPS: no. of nodes per stem; INdLn: internode length (cm); BFWP: biomass fresh weight per plant (g); BDWP: biomass dry weight per plant (g); TNPPP: total no. of pods per plant; NMPP: number of mature pods per plant; NImPP: number of immature pods per plant; FPW: fresh pod weight (g); DPW: dry pod weight (g); PodLn: pod length (mm); PodWd: pod width (mm); NSdPP: number of seeds per plant; DSWPP: dry seed weight per plant (g); SeedLn: seed length (mm); SeedWd: seed width (mm); HSW: hundred seed weight (g); Shell%: shelling percent; HI: harvest index (%); and Yld: yield (kg/ha).
