Peach X disease

Cherry X disease

Photo by F. Dosba, INRA, Bordeaux,

  • Serious pest of cherry orchards in California
  • Leaf rolling and/or spotting may occur and leaf veins may swell
  • In mature trees, leaf yellowing is followed by leaf fall, with only a few rosettes remaining at the tips of shoots
  • Fruit are often small, pointed and distorted and are pale red to greenish white in colour
  • Young trees typically die soon after the first symptoms are observed
  • Can be transmitted by budding or grafting but transmission by leafhoppers is the most important means of dispersal

High priority pest of: Summerfruit

Scientific name: Candidatus Phytoplasma pruni
EPPRD Category: 3
Life Form: Phytoplasma

Pest Documents

FS: fact sheet

CP: contingency plan

DP: diagnostic protocol