| Code | Definition | Number of Accessions |
| 0 | no bolls have formed on the plant | 1610 |
| 1 | less than a dozen bolls are observed per plant | 1021 |
| 2 | average count of bolls per plant range between 13 to 24 bolls per plant | 4176 |
| 3 | average count of bolls per plant range between 25 and 36 per plant | 2319 |
| 4 | average count of bolls per plant range from 37 to 48 bolls per plant | 1265 |
| 5 | average count of bolls per plant are more than 48 per plant | 27 |
| 9 | plot is segregating for this trait and a single score is not an accurate description or the variation is outside of the rating scale | 168 |