Manual of Rootstocks

Ishtara®Semi-vigorous stone fruit rootstock

Used for: European plum, Japanese plum, Peach, Almond
Developed by: INRA
Country of origin: France
Introduced: 1950
Parentage: (Prunus cerasifera x Prunus salicina) x (Prunus cerasifera x Prunus persica)

Ishtara is compatible with peach, plum. almond and nectarine. Young trees need to be supported.

Ishtara rootstock characteristics

  • Species compatibilityEuropean plum, Japanese plum, Peach, Almond
  • Vigour % of standard70%
  • Rootstock size classSemi-vigorous
  • PrecocityPrecocious
  • Support requiredTemporary support
  • DeveloperINRA
  • Country of originFrance
  • Period of origin1900 - 1949
  • PhytophthoraSome resistance
  • Bacterial cankerVery susceptible
  • Root knot nematodeSome resistance
  • Ring nematodeSome susceptibility
  • Root lesion nematodeSome resistance
  • Honey / Oak root fungusSome resistance, Some susceptibility
  • PTSLSome susceptibility
  • Root suckersFew
  • Verticillium Wilt (Blackheart)Some susceptibility

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