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Pests and Diseases

Huanglongbing

Bacterial Diseases of Crops

A bacterial disease of citrus, caused by phloem limited Candidatus Liberibacter species and spread by the Asian and African citrus psyllids, that produces blotchy mottled leaves, lopsided bitter fruit and progressive tree decline with no known cure. Also called citrus greening, it has devastated citrus industries in Florida, Brazil and parts of Asia since the early 2000s and is regarded as the most destructive citrus disease in the world.

Facts
Classification
Agent Kind
Bacterium 1
Quarantine Status
Quarantine Pest (ISPM 5) 2
Control Method
Cultural 1
Control Method
Resistant Variety 1
Connections

Associated With

Orange, Crops

Huanglongbing (citrus greening) is the most destructive disease of orange and citrus worldwide.

Caused By Agent Kind

Bacterium, Concepts
In the Other Atlases

Found In

China

Also in Geography Atlas: where this subject is found.

South Africa

Also in Geography Atlas: where this subject is found.

Sources
1. Huanglongbing (Wikipedia)
Wikimedia Foundation
  • Opening definition paragraph
    Citrus greening disease is a disease of citrus trees caused by bacteria of the genus Liberibacter. These microbes are transmitted by two species of bug: the Asian citrus psyllid Diaphorina citri and the African citrus psyllid Trioza erytreae. It has no known cure. It is graft-transmissible.
  • lead description
    A bacterial disease of citrus, caused by phloem limited Candidatus Liberibacter species and spread by the Asian and African citrus psyllids, that produces blotchy mottled leaves, lopsided bitter fruit and progressive tree decline with no known cure.
  • Article text
    Cultural methods include antibacterial management, sanitation, removal of infected plants, frequent scouting, and most importantly, crisis declaration.
  • Article text, control method
    A resistant variety of mandarin orange called 'Bingo' has been bred at the University of Florida.
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2. EPPO A1 List of pests recommended for regulation as quarantine pests
A1 List, Bacteria and phytoplasmas
Quote, A1 List, Bacteria and phytoplasmas
Citrus huanglongbing (citrus greening) and its vectors Diaphorina citri (A1) and Trioza erytreae (now A2)
View the Source
Huanglongbing (Wikipedia)
In Group: Phytoplasma and Liberibacter Diseases, Wikipedia article lead
Quote, In Group: Phytoplasma and Liberibacter Diseases, Wikipedia article lead
is a disease of citrus trees caused by bacteria of the genus Liberibacter
View the Source
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