Culm: anthocyanin colouration on nodes
The presence and distribution of purple colour from anthocyanin, observed on the outer surface of the nodes on the culm. Stage: after flowering to near maturity (IRRI)
| Code | Term | Description |
|---|---|---|
| 0 | Absent | |
| 1 | 080 Purple | |
| 2 | 081 Light purple | |
| 3 | 084 Purple lines |