Table 4.
Estimate of Genotypic and phenotypic correlations of 100 rice accessions evaluated at Fumesua-Kumasi, Ghana in 2018
| TRAIT | MGrW | L/W | PGWC | DC | BRR | MRR | DM | HRR | BroGr | 100-HRW | GY | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MGrL | rp | − 0.397** | 0.872** | − 0.187 | − 0.329** | − 0.259** | − 0.211* | 0.005 | − 0.097 | 0.026 | 0.501** | 0.043 |
| rg | − 0.478** | 0.890** | − 0.223* | − 0.383** | − 0.400** | − 0.296** | − 0.063 | − 0.251 | 0.130 | 0.860** | − 0.024 | |
| MGrW | rp | − 0.788** | 0.588** | 0.508** | − 0.074 | − 0.186 | 0.219* | − 0.003 | − 0.076 | 0.321** | 0.117 | |
| rg | − 0.812** | 0.663** | 0.599** | − 0.125 | − 0.276** | 0.402** | 0.008 | − 0.177 | 0.535** | 0.164 | ||
| L/W | rp | − 0.409** | − 0.463** | − 0.151 | − 0.060 | − 0.104 | − 0.067 | 0.055 | 0.169 | − 0.023 | ||
| rg | − 0.457** | − 0.528** | − 0.205* | − 0.064 | − 0.213* | − 0.160 | 0.182 | 0.397** | − 0.041 | |||
| PGWC | rp | 0.779** | − 0.094 | − 0.199* | 0.218* | − 0.046 | − 0.030 | 0.255* | − 0.110 | |||
| rg | 0.892** | − 0.168 | − 0.343** | 0.359** | − 0.105 | − 0.048 | 0.450** | − 0.204* | ||||
| DC | rp | 0.009 | − 0.032 | 0.074 | 0.087 | − 0.117 | 0.203* | − 0.083 | ||||
| rg | − 0.143 | − 0.159 | 0.155 | − 0.026 | − 0.089 | 0.497** | − 0.083 | |||||
| BRR | rp | 0.804** | − 0.012 | 0.573** | − 0.344** | − 0.240* | − 0.150 | |||||
| rg | 0.919** | − 0.464** | 0.801** | − 0.556** | − 0.263** | − 0.434** | ||||||
| MRR | rp | − 0.604** | 0.599** | − 0.291** | − 0.265** | − 0.072 | ||||||
| rg | − 0.804** | 0.736** | − 0.444** | − 0.351** | − 0.134 | |||||||
| DM | rp | − 0.227* | 0.015 | 0.123 | − 0.071 | |||||||
| rg | − 0.402** | 0.116 | 0.594** | − 0.311** | ||||||||
| HRR | rp | − 0.940** | 0.060 | − 0.061 | ||||||||
| rg | − 0.929** | 0.021 | − 0.212* | |||||||||
| BroGr | rp | − 0.185 | 0.042 | |||||||||
| rg | − 0.097 | 0.184 | ||||||||||
| 100-HRW | rp | 0.019 | ||||||||||
| rg | 0.105 |
σ2g Genotype variance; σ2e Environmental variance; σ2p Phenotype variance; GCV Genotype coefficient of variation; ECV Error coefficient of variation; PCV Phenotype coefficient of variation; H2 Broad sense heritability; GA Genetic advance as percent of mean; MGrL Milled grain length; MGrW Milled grain width; L/W Milled grain length to width ratio; PGWC Percentage of grain with chalkiness; DC Degree of chalkiness; BRR Brown rice recovery; MRR Milled rice recovery; DM Degree of milling; HRR Head rice recovery; BroGr Percentage of Broken rice grains; 100-HRW Hundred Head rice weight; GY Grain Yield