Manual of Rootstocks

SJM 44Intermediate dwarf rootstock

Used for: Apple
Developed by: Agriculture and Agri-Food, Canada
Country of origin: Canada
Parentage: Nertchinsk x M.9

SJM 44 is considered more cold hardy than M.9.

SJM 44 rootstock characteristics

  • Species compatibilityApple
  • Vigour % of standard30% - 40%
  • Rootstock size classDwarf
  • Support requiredPermanent support
  • Cold-hardinessCold-hardy
  • Country of originCanada
  • Woolly aphidSome resistance
  • Fire blightSome susceptibility
  • Collar rotSome susceptibility
  • Crown rotSome susceptibility
  • Root suckersFew

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

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