Thomson navel orange (CRC 983)
Citrus sinensis (L.) Osbeck
Photos by David Karp and Toni Siebert, 1/15/2010, CVC. Photo rights.
Source: Received as budwood from USDA #16--thru A.D. Shamel., Riverside, 1916.
Parentage/origins: The Thomson variety originated as a limb sport of Washington.
Rootstocks of accession: Carrizo citrange, C-35 citrange
Season of ripeness at Riverside: December to January
Notes and observations:
EMN, 2/12/1988: Smoother rind than most navels; fruit size seems a bit smallish.
EMN, 4/06/1988: Tree 5-5 (1986 replant) is doing poorly. Why do we need 2 Thomson accessions anyway? Let's keep CRC 969 and discard this one. Probably should use VI 424 or 425 at next propagation go-around.
Description from The Citrus Industry Vol. 1 (1967):
"Fruit medium-large, globose to slightly obovate or ellipsoid; occasionally with collar and commonly with two or three relatively deep and long radial basal furrows; apex usually protruded or broadly nippled or with large open navel; seedless. Less well-colored than Washington. Rind medium-thin and surface smooth and glossy though finely pitted. Flesh well-colored with firm texture; medium juice content; flavor good. Holds on the tree poorly with rapid loss in quality. Very early in maturity (10 days or more in advance of Washington).
Availability: Not commercially available in California.
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