Manual of Rootstocks

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'.

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