Rootstock comparison table
| Rootstock | M7 |
|---|---|
| Summary | M.7 is a freestanding tree if planted in deep, well-drained soils. It is not compatible with modern high-density planting systems. |
| remove |
Using
| M7 | |
|---|---|
| Species compatibility | Apple |
| Vigour % of standard | 60% - 70% |
Growing
| M7 | |
|---|---|
| Rootstock size class | Semi-dwarf |
| Precocity | Slow to start bearing |
| Support required | Temporary support |
Climate
| M7 | |
|---|---|
| Cold-hardiness | Cold-hardy |
Identification
| M7 | |
|---|---|
| Developer | East Malling Research Station |
| Country of origin | United Kingdom |
| Period of origin | 1950 - 1999 |
Problems
| M7 | |
|---|---|
| Virus tolerance | Some tolerance |
| Woolly aphid | Some susceptibility |
| Fire blight | Some resistance |
| Burr knots | Few |
| Crown Gall | Some susceptibility |
| Collar rot | Some resistance |
| Replant complex | Some tolerance |
| Root suckers | Many |
| Crown rot | Some susceptibility |