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Plant Gene and Trait, 2013, Vol.4, No.3, 9
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Table 2 Genotypic correlation for different characters in high plant density (D
2
: 30 cm×20 cm)
Characters DFF
LAF
LI
DI
FWI
NR
LR
NSB
TCC
PC
Grain yield per plant
PH
-0.016 0.251
0.496 0.380
0.596
-0.139 -0.354 0.354
0.119 -0.090
0.499
DFF
0.248
-0.137 -0.411 -0.287 -0.022 -0.535 -0.430 -0.375 -0.510
-0.583
LAF
0.193 -0.241 0.310
0.466 -0.319 -0.162 0.434
-0.113
0.177
LI
0.318
0.666* 0.060 -0.015 0.558
0.145 -0.042
0.375
DI
0.552
-0.397 0.101
0.557 -0.127 0.014
0.364
FWI
0.101 -0.158
0.648* 0.217 0.041
0.624
NR
0.198
0.046
0.279
0.225
0.301
LR
0.276 -0.093 0.430
0.235
NSB
-0.184 0.549
0.415
TCC
-0.094
0.311
PC
0.131
Note: *Significance at 5 per cent level; **Significance at 1 per cent level; PH: Plant height; DFF: Days to 50 per cent flowering;
LAF: Leaf area at 50 per cent flowering; LI: Length of the primary inflorescence; DI: Diameter of the inflorescence; FWI: Fresh
weight of the inflorescence; NR: Number of rachis per inflorescence; LR: Length of the rachis per inflorescence; NSB: Number of
secondary branches per inflorescence; TCC: Total carbohydrates content; PC: Protein content
Table 3 Genotypic correlation for different characters in normal plant density (D
3
: 45 cm × 20 cm)
Characters DFF
LAF
LI
DI
FWI
NR
LR
NSB
TCC
PC
Grain yield per plant
PH
-0.108
0.188 0.728* 0.528
0.830** -0.075 -0.075 0.716* 0.061
0.052
0.687*
DFF
0.264
-0.130 -0.143 -0.226 -0.245
0.653
-0.207 -0.343 -0.575
-0.383
LAF
0.075
-0.106
0.268
0.063
-0.197
0.072
0.373
-0.152
0.206
LI
0.577
0.638* -0.141
0.258
0.525
0.003
0.152
0.326
DI
0.421
0.051
0.240
0.285
-0.029 -0.182
0.198
FWI
-0.005
0.097
0.808** 0.109
0.175
0.783**
NR
0.163
-0.194
0.222
-0.294
0.375
LR
0.180
-0.056
0.485
0.009
NSB
-0.229
0.380
0.623
TCC
-0.113
0.289
PC
0.056
Note: *Significance at 5 per cent level; **Significance at 1 per cent level; PH: Plant height; DFF: Days to 50 per cent flowering;
LAF: Leaf area at 50 per cent flowering; LI: Length of the primary inflorescence; DI: Diameter of the inflorescence; FWI: Fresh
weight of the inflorescence; NR: Number of rachis per inflorescence; LR: Length of the rachis per inflorescence; NSB: Number of
secondary branches per inflorescence; TCC: Total carbohydrates content; PC: Protein content
Table 4 Genotypic correlation for different characters in low plant density (D
4
:45 cm × 30 cm)
Characters DFF
LAF
LI
DI
FWI
NR
LR
NSB
TCC
PC
Grain yield per plant
PH
-0.260
0.234
0.284
0.363
0.384
0.017
0.083
0.286
0.337
0.095
0.526
DFF
0.284
-0.215 -0.329 -0.066
0.084
-0.558 -0.220 -0.330 -0.491
-0.358
LAF
0.130
-0.076
0.526
0.143
-0.241
0.010
0.440
-0.186
0.351
LI
0.499
0.574
-0.173
0.224
0.437
0.020
0.055
0.466
DI
0.513
0.069
0.370
0.528
0.005
-0.257
0.547
FWI
-0.192
0.001 0.701* 0.188
-0.060
0.652**
NR
-0.012 -0.273
0.260
-0.316
0.088
LR
0.386
-0.323
0.422
0.056
NSB
-0.240
0.237
0.519
TCC
-0.109
0.348
PC
-0.111
Note: *Significance at 5 per cent level; **Significance at 1 per cent level; PH: Plant height; DFF: Days to 50 per cent flowering;
LAF: Leaf area at 50 per cent flowering; LI: Length of the primary inflorescence; DI: Diameter of the inflorescence; FWI: Fresh
weight of the inflorescence; NR: Number of rachis per inflorescence; LR: Length of the rachis per inflorescence; NSB: Number of
secondary branches per inflorescence; TCC: Total carbohydrates content; PC: Protein content