Manual of Rootstocks

ColtVigorous cherry rootstock

Used for: Sweet cherry, Sour cherry
Developed by: East Malling Research Station
Country of origin: United Kingdom
Introduced: 1977
Parentage: Prunus avium F299/2 x Prunus pseudocerasus

Colt was one of the first dwarfing rootstocks for sweet cherries, up to 25% less vigorous than Mazzard.

Colt rootstock characteristics

  • Species compatibilitySweet cherry, Sour cherry
  • Vigour % of standard75% - 90%
  • Rootstock size classVigorous
  • PrecocitySlow to start bearing
  • Support requiredFree-standing
  • Cold-hardinessNot cold-hardy
  • DeveloperEast Malling Research Station
  • Country of originUnited Kingdom
  • Period of origin1950 - 1999
  • PhytophthoraSome resistance
  • Bacterial cankerSome resistance
  • Root lesion nematodeVery susceptible
  • Crown GallSome susceptibility
  • Replant complexSome tolerance
  • Root suckersNone

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

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