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| The Citrus Clonal Protection Program has its roots in the 1933 original discovery of the virus nature of the citrus psorosis disease by Dr. H. S. Fawcett of the Citrus Experiment Station at Riverside. That discovery triggered the establishment of the Psorosis Freedom Program in 1937. In 1957, the Citrus Variety Improvement Program was inaugurated and it was later renamed to Citrus Clonal Protection Program (CCPP). |  |
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Today the CCPP stands as a cooperative program with the University of California, Riverside (UCR)-Department of Microbiology and Plant Pathology, the University of California, Division of Agriculture and Natural Resources (UCANR), the California Department of Food and Agriculture (CDFA), the United States Department of Agriculture Animal and Plant Health Inspection Service (USDA-APHIS) and the citrus industry of the state of California represented by the California Citrus Nursery Board (CCNB) and the Citrus Research Board (CRB). Since 2009, the CCPP has been a part of the National Clean Plant Network (NCPN) for specialty crops. |
-Make a Gift to the CCPP Foundation -Start a Citrus Variety Introduction Inquiry |
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Download the CCPP Brochure
The CCPP provides a safe mechanism for the introduction into California of citrus varieties from any citrus-growing area of the world for research, variety improvement, or for use by citrus enthusiasts and the commercial industry of the state. This mechanism includes, disease diagnosis and pathogen elimination followed by maintenance and distribution of true-to-type, primary citrus propagative material of the citrus varieties.
Get more information about Citrus Variety Introduction
CCPP Pathogen Elimination from Citrus Varieties Flow Chart
Start a Citrus Variety introduction Inquiry
The CCPP distributes citrus budwood in accordance to the California Department of Food and Agriculture regulations to anyone interested to propagate citrus trees for commercial or personal use. The CCPP does not distribute citrus seeds, rootstocks, or trees. For such items contact your local nursery or click here for more information.
Download the CCPP Budwood Flyer
Order Budwood Online
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Acknowledgments
| University of California, Riverside Citrus Clonal Protection Program-Data Management System (CCPP-DMS) |
