Rootstock comparison table
| Rootstock | P.18 |
|---|---|
| Summary | Early observation may indicate that P.18 will out perform MM.111 in wet or heavier soils. |
| remove |
Using
| P.18 | |
|---|---|
| Species compatibility | Apple |
| Vigour % of standard | 75% - 85% |
Growing
| P.18 | |
|---|---|
| Rootstock size class | Vigorous |
| Precocity | Slow to start bearing |
| Support required | Free-standing |
Climate
| P.18 | |
|---|---|
| Cold-hardiness | Cold-hardy |
Identification
| P.18 |
|---|
Problems
| P.18 | |
|---|---|
| Woolly aphid | Some susceptibility |
| Fire blight | Some susceptibility |
| Burr knots | Some |
| Collar rot | Some resistance |
| Root suckers | Few |
| Crown rot | Some resistance |