Photo 2. Appearance of fried potato slices infected with the zebra chip pathogen, Candidatus Liberibacter solanacearum.
Photo 4. Nymphs of the psyllid, Bactericera cockerelli, showing the fringe of hairs around the edge of the body.
Zebra chip disease
Candidatus Liberibacter solanacearum; there are several strains. This bacterium is closely related to Candidatus Liberibacter asiaticus, and related strains that cause citrus greening (Huanglongbing) disease.
AUTHOR Grahame Jackson
Information from Crosslin JM et al. (2010) Potato zebra chip disease: A phytopathologiccal tale. Plant Management Network. (https://www.plantmanagementnetwork.org/pub/php/review/2010/zebra/); and Zebra chip. Wikipedia. (https://en.wikipedia.org/wiki/Zebra_chip); and from Zebra chip (Candidatus Liberibater solanacearum). Australian Government Department of Agriculture. (http://www.agriculture.gov.au/pests-diseases-weeds/plant/zebra-chip). Photo 1 Pest and Diseases Image Library, Bugwood.org. Adult psyllid. Photos 3&5 No Liberibacter (zebra chip pathogen) found in potato psyllids in Western Australia. PotatoPRO.com. May 8 2018. (https://www.potatopro.com/news/2018/no-liberibacter-zebra-chip-pathogen-found-potato-psyllids-western-australia). Photos 4&6 Whitney Cranshaw, Colorado State University, 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.
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