University of California, Riverside
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Tetraploid grapefruit

Citrus paradisi Macfadyen


CRC 3968

PI 539486




Photos by Toni Siebert and David Karp, CVC, 5/22/2008. Photo rights. Both on Carrizo, 10 year old trees. 


Source: Received as budwood from CRC Breeding project, 1987.


Parentage/origins: Parents unknown.


Rootstocks of accession: Carrizo citrange, C-35 citrange


Season of ripeness at Riverside: February to June


Notes and observations:

1/26/1990, EMN: Received from CRC plant breeding plot, courtesy of M.L. Roose. Fruit a typical seedy white grapefruit, rind a bit thick. 

6/10/2009, DK & TS: Thick rind, soft flesh, seedless; sour, watery, bitter, citrangey aftertaste.

Availability: Not commercially available in California.


USDA Germplasm Resources Information Network page for Tetraploid grapefruit





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