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 8
Pearson’s correlation coefficients () among 27 quantitative traits of Bambara groundnut accessions evaluated.
(a)
Traits
DTE
D50%F
DTM
PH
NBPP
NStPP
NPetPP
NLPP
NNdPS
INdLn
BFWP
BDWP
DTE
1
0.181
0.130
0.317
-0.01
0.308
0.045
0.045
-0.011
-0.286
-0.084
-0.029
D50%F
1
-0.016
-0.023
-0.116
0.056
-0.016
-0.016
-0.190
-0.225
-0.08
-0.035
DTM
1
0.035
0.047
0.027
0.002
0.002
0.05
0.095
0.195
0.192
PH
1
0.021
0.149
0.056
0.056
0.130
0.002
0.003
0.052
NBPP
1
0.113
0.045
0.045
0.035
0.164
0.150
0.155
NStPP
1
-0.074
-0.074
0.042
-0.196
0.258
0.286
NPetPP
1
1.00
0.00
0.208
0.19
0.186
NLPP
1
0.00
0.208
0.19
0.186
NNdPS
1
-0.007
-0.005
0.018
INdLn
1
0.158
0.098
BFWP
1
0.981
BDWP
1
(b)
Traits
TNPPP
NMPP
NImPP
FPW
DPW
PodLn
PodWD
NSdPP
DSWPP
SeedLn
SeedWd
HSW
Shell
HI
Yld
DTE
-0.065
-0.041
-0.071
0.001
0.047
0.246
0.054
-0.03
0.091
0.306
0.316
0.158
0.096
0.056
0.047
D50%F
-0.354
-0.372
0.023
-0.263
-0.226
-0.149
-0.108
-0.389
-0.210
-0.002
-0.014
-0.265
0.135
-0.142
-0.226
DTM
0.192
0.196
0.004
0.303
0.296
0.217
0.194
0.205
0.310
0.178
0.140
0.181
-0.089
0.043
0.296
PH
0.160
0.145
0.053
0.214
0.245
0.121
0.011
0.137
0.239
0.355
0.353
0.263
-0.110
0.121
0.245
NBPP
0.141
0.169
-0.064
0.191
0.190
0.109
0.022
0.158
0.216
0.059
0.048
0.148
-0.025
-0.005
0.190
NStPP
0.131
0.214
-0.219
0.205
0.231
0.278
0.061
0.213
0.260
0.289
0.255
0.316
-0.004
-0.087
0.231
NPetPP
-0.067
-0.049
-0.053
0.031
0.033
0.05
-0.013
-0.053
0.036
0.107
0.120
-0.062
-0.011
-0.180
0.03355
NLPP
-0.067
-0.049
-0.053
0.031
0.033
0.05
-0.013
-0.053
0.036
0.107
0.120
-0.062
-0.011
-0.180
0.033
NNdPS
0.202
0.168
0.109
0.163
0.172
-0.006
-0.048
0.122
0.156
0.117
0.098
0.134
-0.098
0.134
0.172
INdLn
0.053
0.088
-0.092
0.005
-0.049
-0.068
0.205
0.099
-0.042
-0.140
-0.147
-0.113
0.015
-0.154
-0.049
BFWP
0.281
0.336
-0.130
0.380
0.379
0.246
0.155
0.333
0.367
0.211
0.218
0.330
-0.189
-0.661
0.379
BDWP
0.271
0.326
-0.131
0.375
0.385
0.257
0.120
0.315
0.379
0.250
0.256
0.350
-0.178
-0.674
0.384
TNPPP
1
0.936
0.253
0.687
0.681
0.300
0.207
0.921
0.702
0.245
0.221
0.880
-0.239
0.273
0.681
NMPP
1
-0.103
0.672
0.665
0.340
0.262
0.986
0.710
0.252
0.222
0.937
-0.174
0.210
0.665
NImPP
1
0.093
0.096
-0.085
-0.136
-0.107
0.031
0.001
0.013
-0.087
-0.197
0.193
0.096
FPW
1
0.994
0.374
0.192
0.665
0.937
0.343
0.306
0.661
-0.531
0.399
0.994
DPW
1
0.376
0.159
0.649
0.945
0.378
0.341
0.678
-0.529
0.395
1.000
PodLn
1
0.396
0.376
0.379
0.215
0.186
0.427
-0.143
0.052
0.376
PodWD
1
0.319
0.176
0.07
0.032
0.242
-0.035
0.019
0.159
NSdPP
1
0.697
0.237
0.208
0.939
-0.162
0.209
0.649
DSWPP
1
0.382
0.336
0.730
-0.234
0.375
0.945
SeedLn
1
0.934
0.372
-0.152
0.038
0.378
SeedWd
1
0.345
-0.172
-0.001
0.341
HSW
1
-0.163
0.197
0.678
Shell
1
-0.186
-0.529
HI
1
0.395
Yld
1
Legend: Correlation is significant at the 0.01 level; correlation is significant at the 0.05 level; 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 pod 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).
