Photo 1. Collar region of passion fruit stem showing swelling and rot caused by the ginger weevil, Elytroteinus subtruncatus, followed by wound-invading fungi.
This is a problem caused by an insect and two fungi. It includes the ginger weevil, Elytroteinus geophilus (previously, subtruncatus), and the fungi Lasiodiplodia theobromae and Nectria haematococca. The latter is also known by its asexual name, Fusarium solani.
AUTHOR Grahame Jackson
Information (and Photos 1&2) from Gerlach WWP (1988) Plant diseases of Western Samoa. Samoan German Crop Protection Project, Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) Gmbh, Germany.
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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