Citrus greening is one of the more serious diseases of citrus. The bacterial disease is spread by the Asian citrus pysllid. This site provides links to news, national program and state partner information.
USDA. Animal and Plant Health Inspection Service
USDA. Animal and Plant Health Inspection Service. Plant Protection and Quarantine.
Descriptions of plant pests under APHIS management.
National Plant Board
A non-profit organization to foster effective and harmonized plant health programs with representatives from regional, state, and national organizations.
North Carolina State University
Plant disease forecast information for blue mold; Cucurbit downy mildew; and soybean rust.
Plant Management Network.
Links to specimen collections relevant to plant pathogens
Links to data systems relevant to plant pathogens
Links to publications relevant to the study of plant pathogens
Information about current research efforts related to plant pathogens
Diagrams and resources related to the spread of invasive plant pathogens