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World of CitrusWorld of CitrusShambar Grapefruit
University of California, Riverside — Citrus Variety Collection
https://citrusvariety.ucr.edu/crc3831 (opens in a new tab)
Accessed
J.V. da Graça, E.S. Louzada, and J.W. Sauls · Proceedings of the International Society of Citriculture · 2004
The paper's abstract calls Shambar a Thompson Pink bud sport, but the body calls it a Marsh bud sport found in California in 1936. It reports conflicting color comparisons: resembling Ruby Red in Hodgson (1967), versus internal color like Henderson in Porras Castillo and García Lidón (2003) (p. 370). Retain both source-internal conflicts.
Accessed
Eliezer S. Louzada; Chandrika Ramadugu · HortTechnology / American Society for Horticultural Science · 2021-05-05
https://journals.ashs.org/view/journals/horttech/31/3/article-p243.xml (opens in a new tab)
The 2021 review reports Shambar as a Marsh bud sport. This repeats the relationship already covered by Shambar’s existing 2004 source and does not provide a new Shambar performance observation.
Accessed
Robert Willard Hodgson · University of California, Division of Agricultural Sciences, Berkeley · 1967
Hodgson's Shambar profile at captured lines 2725–2727 of Chapter 4; the individual printed page was not verified. It reports discovery by Alec Barnes in 1936 as a Marsh limb sport in an orchard of the Chace Brothers (later American Fruit Growers Company) at Corona, California; first description by A. D. Shamel of the U.S. Department of Agriculture; and commercial introduction in 1945. This is an attributed historical account.
Accessed