TABLE 2.
Average numbers of infected cells in pruned versus nonpruned plants at 9 weeks p.i.
| Tissue sample | Avg no. of cells with virus in pruned plants/avg no. of cells with virus in nonpruned plantsa
|
|||
|---|---|---|---|---|
| WT | QSS | SYG | ΔP5 | |
| Stem, below inoculation | 488/450 | 442/415 | 333/148 | 375/180 |
| Stem, above inoculation | 200/188 | 190/175 | 170/6 | 158/3 |
| Stem, apex | 81/73 | 79/85 | 69/4 | 67/4 |
| Mature leaves | 77/65 | 68/59 | 0/0 | 0/0 |
| Petioles from mature leaves | 38/35 | 34/37 | 0/0 | 0/0 |
| Young leaves | 65/59 | 69/62 | ++/0 | ++/0 |
| Petioles from young leaves | 35/37 | 30/34 | 28/0 | 25/0 |
| Seed pod peduncles | 70/77 | 83/71 | 85/0 | 72/0 |
a
++, individual cells were not discernible since a large amount of virus was present in the youngest leaves of pruned plants.