Photo 1. Ganoderma sp. growing from the base of an orange tree, which is still alive. Note the dark upper surface with the distinctive white margin.
Photo 2. Another Ganoderma species. The young backets can be seen on the left of the trunk. In this case the tree is dead.
Photo 3. Underside of Photo 1, showing the light grey colour of this active spore producing-bracket.
Butt and root rot
Ganoderma and Trametes. There are many species of both, and not all are plant pathogens, especially those belonging to Trametes. Also, see Casuarina butt rot caused by Ganoderma applanatum (Fact Sheet no. 195).
AUTHORS Helen Tsatsia & 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, Pathogens & Weeds
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