Help save California citrus by identifying and reporting the four leading citrus diseases: citrus greening, citrus black spot,  citrus canker, and sweet orange scab using the free app from the United States Department of Agriculture (USDA). 

For more information on how to download the app to your device please click here or go to the following link https://www.cdfa.ca.gov/citruscommittee/ and scroll  down to the bottom right corner of the page.