Table 1.
Plant morphology and grain yield parameters of panicle on main shoot of two RIL rice lines SR-159 (sterile) and SR-157 (fertile) grown in the field conditions at NRRI, Cuttack during the wet season of 2017.
| RIL rice lines | Plant height (cm) | Flag leaf area (cm2) | No. of tiller | Panicle length (cm) | Panicle weight (g) | 100 well filled grain weight (g) | No. of primary branches | Total length of primary branches (cm) | No. of secondary branches | Total length of secondary branches (cm) | No. of filled grains | No of unfilled grains | Grain density | Primary branch density | Secondary branch density | Sterility (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SR-159 | 100.00 ± 0.81 | 43.23 ± 0.85 | 8.33 ± 0.47 | 26.33 ± 0.704 | 1.716 ± 0.77 | 2.428 ± 0.09 | 14.67 ± 0.47 | 121.75 ± 6.73 | 46.00 ± 0.82 | 178.28 ± 10.36 | 80.00 ± 4.89 | 93.00 ± 5.71 | 1.75 ± 0.07 | 0.56 ± 0.02 | 1.76 ± 0.03 | 53.74 ± 3.05 |
| SR-157 | 85.66 ± 2.35 | 47.26 ± 0.97 | 6.33 ± 0.47 | 26.00 ± 1.417 | 3.267 ± 0.12 | 2.384 ± 0.13 | 12.00 ± 0.82 | 108.55 ± 3.06 | 38.66 ± 0.47 | 150.00 ± 4.08 | 132.33 ± 2.05 | 23.00 ± 1.63 | 1.68 ± 0.04 | 0.46 ± 0.03 | 1.48 ± 0.02 | 15.00 ± 0.91 |
| t-value(d.f. = 4) n = 3 | 8.12** | 4.26* | 4.24* | `0.29NS | 2.79* | 0.39 NS | 4.00* | 2.52 NS | 11.00*** | 3.58* | 13.93*** | 16.65*** | 1.15NS | 3.98* | 10.93*** | 17.21*** |
The values are means of three replicates (n = 3) and ± values indicate standard deviations.