Photo by Yuan-Min Shen, Taichung District Agricultural Research and Extension Station, Bugwood.org |
- Huanglongbing can be found throughout Asia, the Middle East, Africa and North and South America
- Leaves and shoot symptoms include yellow shoots; asymmetric, mottled (across veins) leaves; small upright chlorotic leaves; out of phase flushing; and branch dieback
- Flower and fruit symptoms include unseasonal and heavy flowering on diseased branches; small, lopsided, bitter-tasting fruit with small, brown, aborted seeds and uneven colouring at maturity; and excessive fruit drop
- Symptoms can be confused with mineral deficiencies and other endemic pathogens
- Spread by infected plant material or by the Asiatic citrus psyllid (Diaphorina citri) or African citrus psyllid (Trioza erytreae)
- All citrus and many citrus relatives are susceptible to Huanglongbing and host to its vectors
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High priority pest of: Citrus, Production nurseries
Scientific name: Candidatus Liberibacter asiaticus
EPPRD Category: 2
Life Form: Bacteria
Pest Documents
FS: fact sheet
CP: contingency plan
DP: diagnostic protocol
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