Gillemberg navel orange
Citrus sinensis L. Osbeck
Photos by Toni Siebert, Lindcove, Ca,12/13/2007 (top left). Toni Siebert and David Karp (others) 2/25/2010 Photo rights.
Source: Received as budwood from Transvaal, South Africa, 2006. Discovered as a 30-year old tree by Mr. Koos Kotze at Gillemberg Estate (Burdette et al., 1995; Saunt, 2000).
Parentage/origins: Most probably a limb sport of 'Palmer' navel (Burdette et al., 1995; Saunt, 2000).
Rootstocks of accession: Carrizo citrange, C-35 citrange
Season of ripeness at Riverside: November to January
Notes and observations:
RRK: 'Gillemberg' navel matures 4 - 6 weeks after 'Palmer' and hangs well on the tree. The fruit is medium to large in size (larger than 'Palmer'), round to oblong in shape, with a pebbly, sometimes coarse rind, and a Palmer-like tight navel end. Fruit quality and yield on the parent tree is excellent. The foliage is denser and the leaves more tapered than 'Palmer'. (Description condensed from Burdette, 1995, and Saunt, 2000.)
Availability: Not commercially available in California. This accession is proprietary.
Burdette, SA, CJ Alexander, ATC Lee, E Rabe. 1995. Features of some of the main citrus cultivars of southern Africa. Citrus Journal, 5(1):15-21.
Saunt, J. 2000. Citrus Varieties Of The World, 2nd ed. Sinclair Intl., Norwich, England.
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