Pacific Pests, Pathogens, Weeds & Pesticides - Online edition

Pacific Pests, Pathogens, Weeds & Pesticides

Frangipani rust (243)


Click/tap on images to enlarge
Summary

  • Widespread distribution. Asia, North America, Oceania. On frangipani, and Madagascan periwinkle. Spots yellowish-orange on the underside of leaves, bursting to produce powdery spore masses. Brown patches above. Usually, minor disease, although leaves fall earlier than normal. Unsightly.
  • Spread as spores by wind; leaf wetness to infect.
  • Cultural control: cuttings from disease-free trees; collect fallen leaves and burn; tolerant varieties.
  • Chemical control: nurseries: chlorothalonil, copper, or mancozeb (protectants); or oxycarboxin or tridimefon (eradicants).

Common Name

Frangipani rust

Scientific Name

Coleosporium plumeriae


AUTHOR Grahame Jackson & Eric McKenzie
Information from (including Photo 4) McKenzie E (2013) Coleosporium plumeriae: PaDIL -(http://www.padil.gov.au); and from Coleosporium plumeriae. BugwoodWiki. (https://wiki.bugwood.org/Coleosporium_plumeriae).

Produced with support from the Australian Centre for International Agricultural Research under project PC/2010/090: Strengthening integrated crop management research in the Pacific Islands in support of sustainable intensification of high-value crop production, implemented by the University of Queensland and the Secretariat of the Pacific Community.

Copyright © 2023. All rights reserved.