Pacific Pests, Pathogens and Weeds - Online edition

Pacific Pests, Pathogens, Weeds & Pesticides

Breadfruit rust (473)

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  • Worldwide distribution. In Cook Islands, Fiji, Niue, Papua New Guinea, Samoa, Solomon Islands, Tonga, Tuvalu. On breadfruit, jackfruit and relatives.
  • Minor disease
  • Brown, spore-bearing pustules (uredinia) on underside of leaves, matching brown spots above.
  • Spread: spores on the wind.
  • Cultural control and chemical control not needed.
Common Name

Breadfruit rust. It is also known as leaf rust of breadfruit.

Scientific Name

Uredi articarpi

AUTHOR Grahame Jackson
Information from McKenzie E (2013) Uredo artocarpi ( Photos 1-3 Eric McKenzie, Landcare Research, Auckland, New Zealand (

Produced with support from the Australian Centre for International Agricultural Research under project HORT/2016/185: Responding to emerging pest and disease threats to horticulture in the Pacific islands, implemented by the University of Queensland and the Secretariat of the Pacific Community.

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