Distribution of Values for
Potato Leaf Hopper (POTATO LEAF HOPPER)
| Code | Definition | Number of Accessions |
| 0 | No injury | 7 |
| 1 | Slight injury (little curling or rolling of leaves) | 13 |
| 2 | Medium injury (curling or rolling of leaves) | 7 |
| 3 | Heavy injury (curling or rolling of leaves, stunting and slight yellowing of leaf edges) | 6 |
| 4 | Very heavy injury (curling or rolling of leaves, stunting and severe yellowing of the leaves) | 2 |