Photo 3. Late infection of rice by brown leaf spot, Cochliobolus miyabeanus, showing light grey centres and brown margins.
Rice brown leaf spot. It is also known as glume blotch.
Cochiobolus miyabeanus. It is also known by its asexual name, Bipolaris oryzae.
AUTHOR Grahame Jackson
Information from Brown spot. Rice Knowledge Bank. IRRI. (http://www.knowledgebank.irri.org/training/fact-sheets/pest-management/diseases/item/brown-spot); and Cochliobolus miyabeanus. Wikipedia (https://en.wikipedia.org/wiki/Cochliobolus_miyabeanus). and CABI Cochliobolus miyabeanus (brown leaf spot of rice) (2018) Crop Protection Compendium. (http://www.cabi.org/cpc); and from Graham KM (1971) Plant diseases of Fiji. Her Majesty's Stationery Office. London. Photo 1 Yuan-Min Shen, Taichung District Agricultural Research and Extension Station, Bugwood.org. Photos 2-4 Donald Groth, Louisiana State University AgCenter, Bugwood.org
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.
This mini fact sheet is a part of the app Pacific Pests and Pathogens
The mobile application is available from the Google Play Store and Apple iTunes.