Table 3.
Effect of silicon and paclobutrazol on internode length and panicle length of rice MR219.
| Treatment | Internode length (cm) | Panicle length (cm) | ||||
|---|---|---|---|---|---|---|
| 1st | 2nd | 3rd | 4th | 5th | ||
| C | 30.6 ± 2.5ab | 15.8 ± 0.2a | 12.5 ± 0.2a | 9.9 ± 0.5a | 6.5 ± 0.5b | 25.4 ± 0.4 |
| 4 | 31.4 ± 1.2a | 16.3 ± 0.3a | 11.8 ± 0.7ab | 9.8 ± 0.7a | 7.0 ± 0.5a | 26.1 ± 0.6 |
| 6 | 29.2 ± 0.6b | 16.0 ± 0.1a | 12.4 ± 0.9a | 9.9 ± 0.4a | 6.0 ± 0.3b | 25.8 ± 0.6 |
| 4T | 23.6 ± 0.2c | 11.8 ± 0.5b | 10.8 ± 0.2b | 7.1 ± 0.5b | 4.5 ± 0.1c | 25.4 ± 0.5 |
| 6T | 23.7 ± 1.3c | 12.1 ± 0.6b | 10.8 ± 0.2b | 6.8 ± 0.3b | 4.3 ± 0.1c | 24.9 ± 1.2 |
| PBZ | 22.5 ± 1.3c | 11.9 ± 0.4b | 11.0 ± 0.1b | 6.6 ± 0.5b | 4.4 ± 0.2c | 24.5 ± 0.8 |
| LSD | 5.29 | 0.57 | 0.97 | 0.73 | 0.52 | ns |
Means with same letter in the same column are not significantly different at the p ≤ 0.05 according to Fisher's least significant difference (LSD). ns, not significant; C, control; 4, 4 g Si/pot; 6, 6 g Si/pot; PBZ, PBZ only; 4T, 4 g Si+ 400 ppm PBZ; 6T, 6 g Si+ 400 ppm PBZ.