Citrus tristeza virus

Mandarin stem-pitting

Photo by Florida Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services,

  • Economically important virus with many strains that vary in severity
  • Grapefruit and sweet orange stem-pitting strains occur in Australia; however, the mandarin stem-pitting strain is absent from Australia
  • Leads to pitting and gumming of wood, stunted growth and reduced fruit size
  • Spread by aphid vectors (brown and black citrus aphids) that are present in Australia and through graft transmission or movement of infected plant material

High priority pest of: Citrus

Scientific name: Citrus tristeza virus (Closterovirus)
EPPRD Category:
Life Form: Virus

Pest Documents

FS: fact sheet

CP: contingency plan

DP: diagnostic protocol