| Code | Definition | Number of Accessions |
| 1 | No lodging, plants upright | 15 |
| 2 | A few stems leaning | 11 |
| 3 | 1/4 of stems leaning | 24 |
| 4 | 1/3 of stems leaning | 64 |
| 5 | 1/2 stems leaning, some touching ground | 155 |
| 6 | More than 1/2 the stems leaning, many touching ground | 289 |
| 7 | 3/4 of stems leaning, 1/2 touching ground | 271 |
| 8 | More than 3/4 of stems leaning, most touching ground | 196 |
| 9 | Extreme lodging, plants flattened | 98 |