Manual of Rootstocks

AR 86–1–20Semi-dwarf M7 class rootstock

Used for: Apple
Developed by: East Malling Research Station
Country of origin: United Kingdom
Parentage: MM106 x M27

AR 86-1-20’ has similar vigor and performance to ‘MM.106’, but with the additional advantage of much improved resistance to Collar Rot disease.

AR 86–1–20 rootstock characteristics

  • Species compatibilityApple
  • Vigour % of standard60% - 70%
  • Rootstock size classSemi-dwarf, Semi-vigorous
  • Support requiredTemporary support
  • Cold-hardinessCold-hardy
  • Country of originUnited Kingdom
  • Period of origin1950 - 1999
  • Woolly aphidSome susceptibility
  • Fire blightSome resistance
  • Collar rotSome resistance
  • Replant complexSome tolerance

Find our more about this rootstock in the 'Manual of Worldwide Temperate Zone Fruit and Nut Tree Rootstocks'.

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