Table 2.
Correlation analysis for the agronomic and quality-related traits
| Correlation | HMS | TBN | PL | PW | SL | SW | HPW | HSW | SP | OC | PA | SA | OA | LinA | AA | EA | BA | LigA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HMS | 0.008 | −0.107 | 0.013 | −0.337 | −0.436 | −0.242 | −0.364 | −0.462 | 0.245 | 0.177 | −0.314 | −0.146 | 0.217 | −0.162 | 0.077 | 0.064 | −0.058 | |
| TBN | ns | −0.017 | 0.037 | −0.164 | −0.165 | −0.141 | −0.077 | −0.240 | 0.058 | 0.107 | −0.018 | −0.161 | 0.139 | −0.006 | −0.065 | −0.007 | 0.041 | |
| PL | ns | ns | 0.414 | 0.786 | 0.237 | 0.636 | 0.569 | 0.079 | −0.247 | −0.047 | −0.101 | 0.023 | 0.087 | −0.198 | −0.079 | −0.237 | −0.072 | |
| PW | ns | ns | ** | 0.532 | 0.492 | 0.624 | 0.542 | −0.155 | −0.297 | 0.031 | −0.050 | −0.011 | 0.059 | −0.138 | −0.057 | −0.113 | 0.042 | |
| SL | ** | ns | ** | ** | 0.641 | 0.832 | 0.841 | 0.379 | −0.318 | −0.144 | 0.035 | 0.215 | −0.093 | −0.185 | −0.162 | −0.331 | −0.044 | |
| SW | ** | ns | ** | ** | ** | 0.726 | 0.824 | 0.583 | −0.288 | −0.103 | 0.136 | 0.243 | −0.202 | −0.085 | −0.158 | −0.234 | 0.015 | |
| HPW | ** | ns | ** | ** | ** | ** | 0.856 | 0.405 | −0.341 | −0.052 | −0.045 | 0.126 | −0.036 | −0.201 | −0.088 | −0.269 | −0.004 | |
| HSW | ** | ns | ** | ** | ** | ** | ** | 0.520 | −0.416 | −0.131 | 0.058 | 0.214 | −0.145 | −0.140 | −0.148 | −0.253 | 0.061 | |
| SP | ** | ** | ns | ns | ** | ** | ** | ** | −0.138 | −0.143 | 0.190 | 0.250 | −0.258 | −0.023 | −0.186 | −0.212 | −0.055 | |
| OC | ** | ns | ** | ** | ** | ** | ** | ** | ns | 0.021 | 0.003 | −0.072 | 0.087 | 0.110 | 0.026 | 0.087 | −0.071 | |
| PA | * | ns | ns | ns | ns | ns | ns | ns | ns | ns | −0.507 | −0.503 | 0.486 | −0.496 | 0.230 | −0.127 | −0.121 | |
| SA | ** | ns | ns | ns | ns | ns | ns | ns | * | ns | ** | 0.146 | −0.276 | 0.707 | −0.554 | 0.129 | −0.109 | |
| OA | ns | ns | ns | ns | * | ** | ns | * | ** | ns | ** | ns | −0.885 | 0.003 | −0.222 | −0.273 | −0.161 | |
| LinA | * | ns | ns | ns | ns | * | ns | ns | ** | ns | ** | ** | ** | −0.227 | 0.157 | 0.084 | −0.029 | |
| AA | ns | ns | * | ns | * | ns | * | ns | ns | ns | ** | ** | ns | ** | −0.164 | 0.543 | 0.328 | |
| EA | ns | ns | ns | ns | ns | ns | ns | ns | * | ns | ** | ** | * | ns | ns | 0.258 | 0.433 | |
| BA | ns | ns | ** | ns | ** | ** | ** | ** | * | ns | ns | ns | ** | ns | ** | ** | 0.633 | |
| LigA | ns | ns | ns | ns | ns | ns | ns | ns | ns | ns | ns | ns | ns | ns | ** | ** | ** |
HMS height of main stem, TBN total branching number, PL pod length, PW pod width, SL seed length, SW seed width, HPW hundred-pod weight, HSW hundred-seed weight, SP shelling percentage, OC oil content, PA palmitic acid, SA stearic acid, OA oleic acid, LinA linoleic acid, AA arachidic acid, EA eicosenoic acid, BA behenic acid, LigA lignoceric acid
** Significant at P < 0.01; * significant at P < 0.05; ns non-significant at P < 0.05