- Sub-categories:
- Semi-dwarf M26 class12
- Semi-dwarf M7 class8
- See also:
- Very-dwarf apple9
- Dwarf apple76
- Semi-vigorous apple6
- Vigorous apple10
- Standard apple20
M7Semi-dwarf M7 class rootstock
| Used for: | Apple |
| Developed by: | East Malling Research Station |
| Country of origin: | United Kingdom |
| Introduced: | 1912 |
M.7 is a freestanding tree if planted in deep, well-drained soils. It is not compatible with modern high-density planting systems.
M7 rootstock characteristics
- Species compatibilityApple
- Vigour % of standard60% - 70%
- Rootstock size classSemi-dwarf
- PrecocitySlow to start bearing
- Support requiredTemporary support
- Cold-hardinessCold-hardy
- DeveloperEast Malling Research Station
- Country of originUnited Kingdom
- Period of origin1950 - 1999
- Virus toleranceSome tolerance
- Woolly aphidSome susceptibility
- Fire blightSome resistance
- Burr knotsFew
- Collar rotSome resistance
- Crown GallSome susceptibility
- Crown rotSome susceptibility
- Replant complexSome tolerance
- Root suckersMany
Find our more about this rootstock in the 'Manual of Worldwide Temperate Zone Fruit and Nut Tree Rootstocks'.