Tuber skin color
Tuber skin color beneath the bark
| Code | Term | Description |
|---|---|---|
| 1 | Light maroon | |
| 2 | Dark maroon | |
| 3 | Greyish | |
| 4 | Purple | |
| 5 | Light Purple | |
| 6 | Dark Purple | |
| 7 | White | |
| 8 | White with purple | |
| 9 | Yellow | |
| 10 | Yellow Orange | |
| 11 | Yellow Green | |
| 12 | Yellowish white | |
| 13 | Cream | |
| 14 | Light Green | |
| 15 | Brownish |