Table 8 Estimate of parameters of variability, heritability, and genetic gain of some characters of the rice varieties in the M1 generation
Characters | Mean | Phenotypic variance (δ2ph) | √(δ2ph) or δph | Genotypic variance (δ2g) | Heritability (%) | Genetic advance | Genetic gain |
|---|---|---|---|---|---|---|---|
% emergence | 77.67 | 169.81 | 13.03 | 79.51 | 46.82 | 12.57 | 16.18 |
No. of tillers/plant | 6.73 | 20.26 | 4.50 | 15.81 | 78.06 | 7.24 | 107.54 |
No. of panicles/plant | 6.60 | 36.07 | 6.01 | 28.4 | 78.74 | 9.74 | 147.61 |
100-grain weight | 2.69 | 1.12 | 1.06 | 1.00 | 98.15 | 2.14 | 79.49 |
% lodging | 25.00 | 793 | 28.16 | 203 | 25.60 | 14.85 | 59.40 |