Citrus aurantifolia 'Mexican’ X Fortunella japonica) X Fortunella hindsii
Photos by David Karp and Toni Siebert, CVC. Photo rights.
Source: Received as budwood from John Carpenter, USDCS, Indio, Calif., 1957.
Parentage/origins: Reported to be the result of a carefully safeguarded cross-pollination of the Eustis limequat with Fortunella hindsii.
Rootstocks of accession: Carrizo citrange, Cleopatra mandarin, Nagami kumquat
Season of ripeness at Riverside: Unknown at this time.
Notes and observations:
Received at CRC as potted plants, J. Carpenter received seeds from USDA, Orlando, Florida. This came in as PI 109765, F. hindsii, but it is apparently not. R.K. Soost notes: Positive 3N (27) chromosome count on this accession; CPB 52446 is triploid hybrid of Eustis limequat X F. hindsii (H. Barrett from Orlando records.) Procimequat is described in TCI, Vol. I, pp 337-338.
1/20/1989, EMN: Probably is Procimequat. Fruit size, color, number of segments, as compared with C. hindsii, fits C.I. description.
Description from The Citrus Industry Vol. 1 (1967):
"This very interesting complex hybrid, which has a triploid chromosome number, is the result of a carefully safeguarded cross-pollination of the Eustis limequat with Fortunella hindsii, a tetraploid species made by Eugene May and the writer expressly to obtain a triploid hybrid. Longley (1926, pp. 543-45, fig. 1) found it to be triploid, with 27 chromosomes in the somatic cells (18 supplied by the male parent, the Hongkong wild kumquat, and nine by the limequat).
Availability: Not commercially available in California.
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