Distribution of Values for
Root cortex intensity (Root cortex intensity)
| Code | Definition | Number of Accessions |
| 1 | Extremely light | 6 |
| 2 | Very light | 1 |
| 3 | Light | 19 |
| 4 | Light-intermediate | 4 |
| 5 | Intermediate | 64 |
| 6 | Intermediate-dark | 6 |
| 7 | Dark | 34 |
| 8 | Very dark | 1 |
| 9 | Extremely dark | 2 |