Table 1. TEV genotypes constructed for this study.
| Viral genotype | Original NIb gene present? | Alternative position of NIb gene |
|---|---|---|
| TEV-NIb1-ΔNIb9 | No | 1 |
| TEV-NIb2-ΔNIb9 | No | 2 |
| TEV-NIb1-NIb9 | Yes | 1 |
| TEV-NIb2-NIb9 | Yes | 2 |
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