An official website of the United States government

The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https:// means all transmitted data is encrypted  — in other words, any information or browsing history that you provide is transmitted securely.

You are here Back to top

Citrus Greening Resources

Displaying 1 to 20 of 39

Search Help
Queensland Department of Agriculture and Fisheries (Australia). 
USDA. Agricultural Research Service.
New clues to how the bacteria associated with citrus greening infect the only insect that carries them could lead to a way to block the microbes' spread from tree to tree, according to a study in Infection and Immunity by Agricultural Research Service (ARS) and Boyce Thompson Institute (BTI) scientists.
California Department of Food and Agriculture. Plant Health Division.
University of California. Agriculture and Natural Resources.
Provides information to both growers and home gardeners, in two distinct sub-sites -- to get the basics on the insect and the disease it can vector, how to inspect your trees, how to treat your tree if you find ACP, critical things to do to help contain the insect population and deal with Huanglongbing (HLB), as well as additional information more specific to California.

University of California. Agriculture and Natural Resources.

ANR Publication 8218

Alabama Department of Agriculture & Industries.
A plant disease that presents a serious threat to the U.S. citrus industry has been detected in Alabama. Federal and state plant health officials have confirmed the identification of citrus greening (CG), also known as Huanglongbing or HLB, which is caused by the bacterial pathogen Candidatus Liberibacter asiaticus. This is the first confirmation of citrus greening in Alabama despite biannual surveys for the pathogen by the Alabama Department of Agriculture and Industries (ADAI).
Citrus Greening Solutions.

USDA. APHIS. Plant Protection and Quarantine.

Scroll to view "Maps" and "Regulations" sections to view quarantine information.

USDA. APHIS. Plant Protection and Quarantine.

Includes images for citrus greening, insect vectors of citrus greening, and foliar symptoms of feeding by African Citrus psyllid

USDA. APHIS. PPQ. CPHST. Identification Technology Program.
See also: Citrus Resource
Florida Department of Agriculture and Consumer Services.
Louisiana State University. AgCenter Research and Extension.
See also: Plant Diagnostic Center - Publications for more resources

U.S. Government Printing Office. Electronic Code of Federal Regulations.

University of Florida. Institute of Food and Agricultural Sciences Extension.
Electronic Data Information Source - publication resources
European and Mediterranean Plant Protection Organization.

USDA. APHIS. Plant Protection and Quarantine.

A Federal Order is a legal document issued in response to an emergency when the Administrator of APHIS considers it necessary to take regulatory action to protect agriculture or prevent the entry and establishment into the United States of a pest or disease. Federal Orders are effective immediately and contain the specific regulatory requirements.

USDA. Agricultural Research Service.