| Code | Definition | Number of Accessions |
| 0 | glandless - no observable dark glands on the stems. Most likely a result of mutation and selected by growers | 81 |
| 1 | medium - typically seen density of gossypol glands for most cotton cultivars | 4977 |
| 2 | light - lower than normal density of gossypol glands | 189 |
| 3 | heavy - density of glands is greater than that normally seen in most cotton cultivars | 3229 |
| 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 | 64 |