Rootstock comparison table
| Rootstock | SJM 44 |
|---|---|
| Summary | SJM 44 is considered more cold hardy than M.9. |
| remove |
Using
| SJM 44 | |
|---|---|
| Species compatibility | Apple |
| Vigour % of standard | 30% - 40% |
Growing
| SJM 44 | |
|---|---|
| Rootstock size class | Dwarf |
| Support required | Permanent support |
Climate
| SJM 44 | |
|---|---|
| Cold-hardiness | Cold-hardy |
Identification
| SJM 44 | |
|---|---|
| Country of origin | Canada |
Problems
| SJM 44 | |
|---|---|
| Woolly aphid | Some resistance |
| Fire blight | Some susceptibility |
| Collar rot | Some susceptibility |
| Root suckers | Few |
| Crown rot | Some susceptibility |