Manual of Rootstocks

Marianna 26-24Vigorous stone fruit rootstock

Used for: European pear, Japanese plum, Apricot
Developed by: University of California, Davis
Introduced: 1940s
Parentage: Prunus cerasifera x Prunus musonianna

Marianna 26-24 is a vigorous hybrid rootstock, compatible with apricots and plums.

Marianna 26-24 rootstock characteristics

  • Species compatibilityEuropean pear, Japanese plum, Apricot
  • Vigour % of standard85%
  • Rootstock size classVigorous
  • PhytophthoraSome resistance
  • Bacterial cankerVery susceptible
  • Dagger nematodeSome resistance
  • Root knot nematodeSome resistance
  • Ring nematodeSome susceptibility
  • Root lesion nematodeSome susceptibility
  • Honey / Oak root fungusSome resistance, Some susceptibility
  • Crown rotSome resistance
  • Replant complexSome tolerance
  • Root suckersMany
  • Plum BrownlineSome resistance
  • Plum pox virus / SharkaSome susceptibility
  • Verticillium Wilt (Blackheart)Very susceptible

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