Dr. Phyto

Arabica coffee

Coffea arabica

Diseases & pests on this plant

• coffee leaf rustHemileia vastatrix

  Bright orange-yellow powdery pustules on undersides of leaves (very diagnostic), yellow halos on upper leaf surfaces above pustules, severe infection causes premature leaf drop, branch dieback + reduced bean yield, plants completely defoliated in epidemic years lose 30-70% of crop.

• longtailed mealybugPseudococcus longispinus

  White cottony masses with long fluffy tails on twigs and fruit, copious honeydew, sooty mould blackening leaves, distorted fruit when calyx end infested.

• anthracnoseColletotrichum gloeosporioides

  Dark brown to black sunken spots on leaves often with concentric rings, spots expand + coalesce into irregular blotches, severely infected leaves drop, branch dieback in heavy attacks, pink-orange spore masses produced on lesions in moist conditions.