Bondi Junction NSW, Australia
Fact Sheets
2021-09-08T03:12:19.2973088Z
   2
Coffee brown-eye spot (142)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds

Summary

  • Worldwide distribution. On arabica and robusta coffee. An important disease.
  • Spots on leaves, light brown (sometimes grey), with brown outside and yellow margins, up to 15 mm, sometimes a blight. Small irregular spots on berries.
  • In nursery, can cause leaf fall and dieback; less a problem in field, unless poor nutrition and shade.
  • Spores spread by wind and rain; germinate in water.
  • Cultural control: spacing, and N and K nutrition in nursery and field; shade in field (35-65%); prune to improve air movement; collect prunings and burn.
  • Chemical control: copper (protectant); triazoles (systemic).

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