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Breadfruit leaf blotch (323) Print Fact Sheet

Common Name

Breadfruit leaf blotch

Scientific Name

Pseudocercospora artocarpicola


Widespread. South and Southeast Asia, Oceania. Recorded from Cook Islands, Fiji (Rotuma island), Niue, Papua New Guinea, Samoa, Tonga, and Vanuatu.



Symptoms & Life Cycle

Leaf spots absent; dingy dark-brown to blackish sooty mould growth on lower surface of leaf (Photo 1). The spores are spread in the wind.


A minor disease of little economic impact on breadfruit.

Detection & Inspection

Look for the sooty mould growth on the underside of the leaves.


There is no treatment suggested for this disease as it is of little or no economic importance.

AUTHORS Grahame Jackson & Eric McKenzie 
Photo 1 (taken by Eric McKenzie), and used in this fact sheet, appeared previously in McKenzie E (2013) Pseudocercospora artocarpicola PaDIL -

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.

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