Table 5.
Estimation of genetic parameters of different quantitative characters in 113 aromatic and fine rice genotypes.
| Character | σ 2 G | σ 2 P | GCV (%) | PCV (%) | h B 2 (%) | GA (%) | GA in % of mean |
|---|---|---|---|---|---|---|---|
| CD (mm) | 0.42 | 0.58 | 14.03 | 16.45 | 72.73 | 0.87 | 18.91 |
| FLA (cm3) | 46.19 | 63.53 | 19.10 | 22.40 | 72.70 | 9.16 | 25.73 |
| DF | 56.10 | 58.36 | 7.25 | 7.40 | 96.13 | 11.60 | 11.24 |
| DM | 53.30 | 58.25 | 5.53 | 5.79 | 91.50 | 11.03 | 8.36 |
| PH (cm) | 199.64 | 215.76 | 9.65 | 10.04 | 92.53 | 21.47 | 14.67 |
| ET No. | 1.45 | 2.60 | 12.22 | 16.39 | 55.56 | 1.42 | 14.39 |
| PL (cm) | 2.10 | 3.26 | 5.06 | 6.31 | 64.31 | 1.83 | 6.41 |
| PB No. | 1.23 | 2.67 | 10.72 | 15.80 | 46.04 | 1.19 | 11.50 |
| PBL (cm) | 1.08 | 1.67 | 9.66 | 12.03 | 64.50 | 1.32 | 12.26 |
| SB No. | 117.39 | 130.38 | 33.17 | 34.95 | 90.03 | 16.24 | 49.72 |
| SBL (cm) | 0.06 | 0.10 | 9.24 | 11.41 | 65.54 | 0.33 | 11.82 |
| FG/P | 1384.30 | 2059.61 | 24.04 | 29.32 | 67.21 | 48.19 | 31.14 |
| UFG/P | 166.83 | 408.18 | 29.77 | 46.57 | 40.87 | 13.05 | 30.08 |
| GL (mm) | 1.79 | 1.84 | 18.82 | 19.07 | 97.44 | 2.09 | 29.36 |
| GB (mm) | 0.14 | 0.15 | 15.78 | 16.74 | 88.84 | 0.55 | 23.50 |
| GLBR | 0.48 | 0.51 | 22.35 | 23.04 | 94.16 | 1.07 | 34.27 |
| TGW (g) | 19.23 | 20.43 | 33.18 | 34.20 | 94.10 | 6.72 | 50.85 |
| YP (g) | 2.19 | 7.55 | 11.96 | 22.20 | 29.03 | 1.26 | 10.18 |
| HI | 0.00 | 0.00 | 13.40 | 23.21 | 33.33 | 0.03 | 12.22 |
CD: culm diameter (mm), FLA: flag leaf area, DF: days to flowering, DM: days to maturity, PH: plant height, ET No.: effective tiller number, PL: panicle length, PB No.: primary branches per panicle, PBL: primary branch length, SB No.: secondary branches per panicle, SBL: secondary branch length, FGP: filled grains per panicle, UFGP: unfilled grains per panicle, GL: grain length, GB: grain breadth, GLBR: grain length breadth ratio, TGW = 1000 grain weight, YP: yield per plant, HI: harvest index, σ 2 G = genotypic variance, σ 2 P = phenotypic variance, (GCV) % = genotypic coefficient of variation,(PCV) % = phenotypic coefficient of variation, h B 2 (%) = heritability (broad sense), and GA (%) = genetic advance.