| Code | Definition | Number of Accessions |
| 1 | SPLCV titer at or below threshold of detection, comparable to Duanyanhong (PI 606252) | 7 |
| 2 | SPLCV titer very low | 6 |
| 3 | SPLCV titer low, comparable to Hernandez (PI 566632) | 7 |
| 4 | SPLCV titer intermediate, comparable to Xushu-18 (PI 595873) | 29 |
| 5 | SPLCV titer high, comparable to Beauregard (PI 566613) | 9 |
| 6 | SPLCV titer very high, comparable to Bienville | 3 |