| 1-MCP | Retention | Boll Number | Boll Weight | |||
| 2011 | 2012 | 2011 | 2012 | 2011 | 2012 | |
| g a.i. ha−1 | % | no. plant−1 | g∙boll−1 | |||
| 0 | 36.79 | 40.93 | 13.60 | 12.75 | 4.78 | 5.10 |
| 10 | 35.68 | 38.62 | 13.44 | 12.75 | 4.94 | 5.15 |
| LSD (0.05) | 7.46 | 5.6 | 4.06 | 2.02 | 0.32 | 0.32 |