The Asian citrus psyllid and citrus greening (Huanglongbing) could be a death sentence for California citrus trees - but with support from California residents, we can save the citrus trees that we all know and love.
Invasive Species Resources
Provides access to all site resources, with the option to search by species common and scientific names. Resources can be filtered by Subject, Resource Type, Location, or Source.
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Search HelpCalifornia Department of Food and Agriculture. Citrus Pest and Disease Prevention Program.