Table 5.
Horizontal transmission experiment of cultivable S. symbiotica to A. fabae aphids.
| Duration of Serratia symbiotica acquisition | Replicates | Number of exposed aphids | Number of infected aphids |
|---|---|---|---|
| 3 days | Ctrl 1 | 9 | 0 |
| Ctrl 2 | 10 | 0 | |
| Ctrl 3 | 10 | 0 | |
| 1 | 13 | 0 | |
| 2 | 14 | 0 | |
| 3 | 10 | 2 | |
| 4 | 15 | 10 | |
| 7 days | Ctrl 1 | 6 | 0 |
| Ctrl 2 | 7 | 0 | |
| Ctrl 3 | 9 | 0 | |
| 1 | 10 | 2 | |
| 2 | 10 | 6 | |
| 3 | 11 | 3 | |
| 4 | 15 | 0 |
The cultivable S. symbiotica frequency found in uninfected aphids exposed to infected (treatment) or uninfected (control) aphids. The duration of the acquisition was 3 and 7 days.