Manual of Rootstocks

OHxF 40Semi-vigorous European pear rootstock

Used for: European pear
Developed by: Oregon State University
Country of origin: United States
Parentage: OHxF seedling

In the 2002- 2010 Pacific Northwest Pear Rootstock Trial, OHxF did not perform as well as OHxF 87. However, in Greece, OHxF 40 rootstock appears to be the most suitable of the OHxF series.

OHxF 40 rootstock characteristics

  • Species compatibilityEuropean pear
  • Vigour % of standard60% - 70%
  • Rootstock size classSemi-vigorous
  • Support requiredTemporary support
  • Cold-hardinessCold-hardy
  • Cold hardiness (USDA)(6) -10F / -23C
  • DeveloperOregon State University
  • Country of originUnited States
  • Woolly aphidSome resistance
  • Fire blightSome resistance
  • Crown rotSome resistance
  • Root suckersFew

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