RTWR-DAM
Root damage from rootworm feeding
| Code | Term | Description |
|---|---|---|
| 1 | No feeding damage. | |
| 2 | Feeding scars - but no roots eaten off. | |
| 3 | One to several roots eaten off within 1-1/2 inches. | |
| 4 | One ring or node of roots completely destroyed. | |
| 5 | Two rings or nodes of roots completely destroyed. | |
| 6 | Three rings or nodes of roots completely destroyed. |