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NCPN Citrus
NCPN Citrus
NCPN Citrus
University of California
NCPN Citrus

Arizona, Citrus CPN

The Arizona Certified Budwood Program was created in the 1960s with a focus on CTV and viroids (Exocortis and Cachexia/Xyloporosis). The program is located in Yuma, Arizona, and it is a collaborative effort between the Yuma County Citrus Pest Abatement District (YCCPAD), the University of Arizona, and the Arizona Crop Improvement Association. The program consists of one office and an in-ground, unprotected budwood block holding approximately 100 varieties that also functions as the University of Arizona variety collection.

The state has a very small number of nurseries and therefore limited need for budwood, thus there is no systematic disease testing. The block is occasionally tested for tristeza and citrus viroids, and so far there has been no positive finding. The budwood program in Arizona operates on a voluntary basis.

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