Frost nucellar Valencia orange

Citrus sinensis L. Osbeck

CRC 3031

PI 539660

VI 240

Photos by Toni Siebert, CVC,  4/11/2008. Photo rights. C-35 left, Carrizo right, 25 year old trees.

Source: Produced at the Citrus Research Center, Riverside, California, 1915.

Parentage/origins: Frost nucellar Valencia is a nucellar seedling selection made by H.B. Frost.

Rootstocks of accession: Carrizo citrange, C-35 citrange

Season of ripeness at Riverside: March to July

Notes and observations:

11/1989, EMN: Seed obtained from Rubidoux, Ca. A typical Valencia. Has lost popularity in recent years and is little used now.

Description from The Citrus Industry Vol. 1 (1967):

"Frost Valencia is a nucellar seedling derived about 1915 by H. B. Frost of the Citrus Research Center, Riverside, and released in 1952.  Exceptionally vigorous and productive, it is the oldest of the California nucellar budline selections and currently the most popular."
 

Availability: Commercially available in California through the Citrus Clonal Protection Program.

USDA Germplasm Resources Information Network page for Frost nucellar Valencia orange