| Sample Date | Fields Sampled | Sample Size | Bolls with Internal Damage | Incidence* |
| 7/06/2011 | 1 | 23 | 6 | 4% |
| 6/26/2012 | 2 | 100 | 20 | 20% |
| 7/18/2012 | 1 | 60 | 3 | 5% |
| 8/14/2012 | 2 | 60 | 17 | 28% |