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Citrus ID

 

Seedless Kishu

 

Synonyms

 

Hirakishu, Mukakukishu (sec. Tanaka 1954)

Cultivar or taxon

 

Citrus reticulata Blanco (sensu Swingle and Reece 1967, Mabberley 1997); Citrus kinokuni hort. ex Tanaka (sensu Tanaka sec. Cottin 2002)

Origin

 

The Chiefland Budwood Facility (2010) provided the following notes on the cultivar (clone DPI-137): "Originally from China by way of Japan. Introduced to CGIP from the National Citrus Germplasm Repository in California in 2004. Thermal therapy and pathogen indexing completed by CGIP in 2007. Released to Florida nurseries in 2009."

Description

 

Crown compact or dense, not weeping. First-year twig surface glabrous; second- or third-year twig surface striate; thorns absent or not persistent; prickles absent or not persistent. Petiole glabrous, length short; wings absent, if present, narrow, adjoining the blade. Leaflets one, margin entire or bluntly toothed, shade leaflet blades flat or weakly conduplicate, sun leaflet blades weakly or strongly conduplicate. Scent of crushed leaflets mandarin-like. Fruit broader than long; rind yellow (7-10), yellow-orange (11), orange (12), or red-orange (13); rind texture slightly rough (4-5); firmness leathery; navel absent; flesh orange; taste acidic-sweet.

Hodgson (1967) provided the following additional notes on the species: "This species is the kishû mikan of Japan. The fruit is small, somewhat oblate, depressed at both ends, orange-colored, and glossy. The thin, comparatively tight rind is easily peelable and fragrantly aromatic. The flesh is firm, meaty, and pleasantly sweet in flavor. Seeds are few, polyembryonic, and have pale green cotyledons. Fruit maturity occurs in early midseason."

The Chiefland Budwood Facility (2010) provided the following additional notes on the cultivar (clone DPI-137): "A small sweet early mandarin selection. Easy to peel with few seeds."

References

 

Cottin, R. 2002. Citrus of the World: A citrus directory. Version 2.0. France: SRA INRA-CIRAD.

Chiefland Budwood Facility. 2010. 2010 Annual report July 1, 2009 - June 30, 2010. Bureau of Citrus Budwood Registration, Florida Department of Agriculture & Consumer Services, Winter Haven.

Hodgson, R.W. 1967. Horticultural varieties of Citrus. In: Reuther, W., H.J. Webber, and L.D. Batchelor (eds.). The Citrus industry, rev. University of California Press. http://lib.ucr.edu/agnic/webber/Vol1/Chapter4.html.

Mabberley, D.J. 1997. A classification for edible Citrus (Rutaceae). Telopea 7: 167–172.

Swingle, W.T. 1943. The botany of Citrus and its relatives of the orange subfamily. In: Webber, H.J. and L.D. Batchelor (eds.). The Citrus industry 1: 129–474. University of California Press, Berkeley and Los Angeles.

Tanaka, T. 1954. Species problem in Citrus (Revisio aurantiacearum IX). Japanese Society for Promotion of Science, Ueno. 152 pp.

Resources

 

Search for this cultivar in NCBI Entrez

Additional information on this cultivar at University of California: Riverside Citrus Variety Collection

 

Citrus ID Edition 2
October, 2011
idtools.org