Photo 1. "Toppling" is a common symptom on banana when roots are attacked by Radopholus. Note this banana has fallen over before the fruits have matured; a sign of nematode attack. A similar symptom occurs when bananas are infected by the nematode Pratylenchus coffeae.
Photo 1. Progressive development of root rot symptoms (from left to right) by the burrowing nematode, Radopholus similis, in banana roots.
Banana burrowing nematode, black head disease of banana
AUTHOR Grahame Jackson
Information (and Diagram) from Brooks FE (2008) Burrowing nematode. The Plant Health Instructor. DOI: 10.1094/PHI-I-2008-1020-01. Updated 2014; and from Hauser S, Coyne D (2010) A hot bath cleans all: Boiling water treatment of banana and plantain. (https://www.ctc-n.org/sites/www.ctc-n.org/files/resources/4ea6bfcd-2658-4dac-bf31-03861661b3dc.pdf). Photos 1-3 Fred Brooks, Plant and Environmental Protection Services, University of Hawaii at Manoa, Honolulu.
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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