Table 2. Transmission efficiency of CYDV-RPV by analyzed F2 genotypes of S . graminum aphids and the encoded Cyclophilin alleles.
| Genotype | Transmission efficiency | Barrier | Cyclophilin alleles encoded |
|---|---|---|---|
| Vector parent | 92% | None | Vector allele |
| Nonvector parent | 0% | Salivary gland and gut | Nonvector allele |
| A3 | 100% | None | Vector allele |
| CC6 | 75% | None | Vector allele |
| G11 | 83% | None | Vector allele |
| BB1 | 0% | Salivary gland | Vector and Nonvector allele |
| C2 | 0% | Gut | Nonvector allele |
| CC1 | 0% | Gut | Nonvector allele |
| CC2 | 8% | Gut | Nonvector allele |
| CC5 | 0% | Gut | Nonvector allele |
| K2 | 0% | Salivary gland and gut | Nonvector allele |
| K3 | 0% | Salivary gland | Vector and Nonvector allele |
| LL3 | 0% | Gut | Nonvector allele |
| MM1 | 0% | Gut | Nonvector allele |
Transmission efficiency is calculated as the number of plants infected with virus out of the number of plants infested with viruliferous aphids (5 aphids per plant, 12 plants used). Determination of transmission barriers in genotypes with low transmission efficiency is described in [28].