Photo 1. Target spots, Corynespora cassiicola, on tomato. The larger spots have rings or circles inside them.
Photo 2. Close-up to show the ring patterns in the leaf spots caused by target spot, Corynespora cassiicola, on tomato.
Photo 3. Target spot, Corynespora cassiicola, develops rapidly on tomato when conditions are suitable for the fungus.
Target spot, leaf spot
AUTHOR Grahame Jackson
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.
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.