Table 2.
Comparison of male sterility of ZS9 and the mutant line K5 treated with different concentrations of tribenuron-methly (TBM).
| TBM (mg⋅L-1) |
ZS9 |
K5 |
||
|---|---|---|---|---|
| Percent of sterile pollens (%) | Percent of sterile plants (%) | Percent of sterile pollens (%) | Percent of sterile plants (%) | |
| 0 | 4.8 ± 3.0c | 0.0 ± 0.0d | 7.9 ± 1.7d | 0.0 ± 0.0e |
| 0.05 | 67. 7 ± 6.9b | 7.5 ± 2.3c | 8.2 ± 1.1d | 0.0 ± 0.0e |
| 0.10 | 99.9 ± 0.3a | 96.7 ± 3.1b | 8.5 ± 1.9d | 0.0 ± 0.01e |
| 1.00 | 100.0 ± 0.0a | 100.0 ± 0.0a | 7.8 ± 1.5d | 1.0 ± 0.6d |
| 2.00 | 100.0 ± 0.0a | 100.0 ± 0.0a | 9.0 ± 1.9d | 2.7 ± 1.3d |
| 5.00 | – | – | 12.0 ± 2.7d | 4.1 ± 1.9d |
| 10.00 | – | – | 47.5 ± 4.8c | 37.5 ± 5.9c |
| 15.00 | – | – | 68.1 ± 7.2b | 58.2 ± 6.1b |
| 20.00 | – | – | 98.2 ± 0.5a | 100 ± 0.0a |
| 30.00 | – | – | 98.7 ± 1.1a | 100 ± 0.0a |
| 40.00 | – | – | 99.4 ± 0.6a | 100 ± 0.0a |
Data in the table are expressed by mean ± SD, n = 6. Data followed by different superscript lowercase letter within same column means significant difference at P = 0.05 level. “–”: not available.