Grosse Ronde blood orange
Citrus sinensis (L.) Osbeck
Photos by David Karp and Toni Siebert, 3/17/2010, CVC. Photo rights.
Source: Received as seed from another location within this Riverside Field Station, Calif., 1960.
Parentage/origins: Parents unknown.
Rootstocks of accession: Carrizo citrange, C-35 citrange
Season of ripeness at Riverside: December to January
Notes and observations:
From a multiple seedling; see CRC 2798.
EMN, 3/23/1987: Cut 10 fruits each of 2 trees and found not a trace of blood coloration at all. Lost in going through the seed?. Sanguine Grosse Ronde is not listed in TCI, Vol. I, but on page 472 "Grosse Sanguine" is given as a synonym for Doblefina Amelioree. Maybe this is the seed source parent of this accession.
EMN, 2/4/1988: Appears to be a common mid-season seedy sweet orange. See blood orange color comparison chart on back of CRC 3152 accession card.
Availability: Not commercially available in California.
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