Bondi Junction NSW, Australia
Fact Sheets
Coffee thread blight (199)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds


  • Worldwide. In the tropics. On coffee, black pepper, capsicum, citrus, mahogany, tea. Sometimes an important and destructive disease.
  • Mats of fungus, white at first, on underside of leaves and twigs. Leave blacken, die and fall or held in place by dark threads. Dieback may occur.
  • Cultural control: prune branches 30 cm below the affected part, and burn cuttings; reduce shade levels.
  • Chemical control: if needed use copper.

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