USDA. Animal and Plant Health Inspection Service.

Effective immediately, the Animal and Plant Health Inspection Service (APHIS) is modifying the conditions under which citrus fruit may be moved interstate from areas quarantined for sweet orange scab (SOS) when destined for processing or packing in a commercial citrus-producing state without a state-wide SOS quarantine.

USDA. APHIS. PPQ. CPHST. Identification Technology Program.

USDA. Animal and Plant Health Inspection Service.

Select layer to view quarantine by species (Asian citrus psyllid, citrus black spot, citrus canker,  citrus greening, sweet orange scab).
See related resource: Data Visualization Tools to explore plant and animal health management data and interactive story maps

USDA. APHIS. Plant Protection and Quarantine.

Contains the requirements for moving fruit, nursery stock, or other regulated articles for several citrus pests and diseases.

Texas A&M University. AgriLife Extension Service.

Louisiana State University. AgCenter Research and Extension.

Publication 3169. 
See also: Plant Diagnostic Center - Publications for more resources

European and Mediterranean Plant Protection Organization.

Plant Health Australia.

USDA. APHIS. Plant Protection and Quarantine.

Contains the legal description of current federal quarantine areas for several citrus pests and diseases (Asian citrus pysllid, citrus black spot,  citrus canker, citrus greening, sweet orange scab),  Users can search by state and pest to determine the quarantine area(s) by state and territories.

Google.

CAB International.

University of Georgia. Center for Invasive Species and Ecosystem Health.

USDA. APHIS. Cooperative Agricultural Pest Survey. National Agricultural Pest Information System.

CABI. PlantwisePlus Knowledge Bank.

Sweet orange scab is native to South America. It was introduced to the U.S. in 2010, most likely through the movement of infected nursery stock. It's a fungus affecting the fruit of sweet orange and mandarin cultivars.

USDA. APHIS. Plant Protection and Quarantine.

Provides comprehensive sweet orange scab information including: what to look for, how to prevent this disease and how it is treated. Also provides image gallery and information how to report signs of citrus disease. And provides control information including: current status and regulatory information. 

California Department of Food and Agriculture.

USDA. Animal and Plant Health Inspection Service.

See related resource: Data Visualization Tools to explore plant and animal health management data and interactive story maps

Google. YouTube; Louisiana State University Agricultural Center.