Golden Buckeye navel orange
Citrus sinensis (L.) Osbeck
Photos by David Karp and Toni Siebert, 1/28/2010, CVC. Photo rights.
Source: Received as budwood from Rubidoux variety block, 1914.
Parentage/origins: Apparently a limb sport of Washington navel orange.
Rootstocks of accession: Carrizo citrange, C-35 citrange
Season of ripeness at Riverside: December to January
Notes and observations:
EMN, 1985: Fruits somewhat ridged. This accession had psorosis, removed by thermotherapy (Thermo 1273-28).
EMN, 2/12/1988: Trees are small and appear to be weak growing. Light rind color but most fruits have 1 to 3 thin, raised, darker orange "ribs" running the length of the fruit. TCI, on pp 485-486, describes these "ribs" so this is not a budwood mixup with CRC 609, McFadden Ribbed navel which exhibits no ribs at all, like I thought it might be. Rind of this accession may be somewhat thinner than most navels; otherwise fruit is navel-like inside.
Description from The Citrus Industry Vol. 1 (1967):
"Fruit oblong to ellipsoid; apex nipple-like, containing a closed navel; rind very smooth, thin, and leathery. Yellowish-orange colored, with occasional narrow orange streaks or ribs. Matures considerably earlier than Washington.
Availability: Not commercially available in California.
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