梅洛金(柚) Melogold

Synonyms
None

Cultivar or taxon

Citrus maxima (Burm.) Merr. (sensu Mabberley 1997, Bayer et al. 2009; sensu Tanaka sec. Cottin 2002); Citrus grandis (L.) Osbeck (sensu Swingle and Reece 1967)

Origin

The Chiefland Budwood Facility (2010) provided the following notes on the cultivar (clone DPI-112): "Melogold is a triploid hybrid of acidless pummelo and a 4N seedy Marsh grapefruit developed at the University of California. Released in Florida in 1992."

Description

Crown compact or dense, not weeping. First-year twig surface pubescent; second- or third-year twig surface striate; thorns straight; prickles absent or not persistent. Petiole pubescent, length short or medium; wings medium or wide, adjoining the blade or tucking beneath blade. Leaflets one, margin crenate/crenulate or bluntly toothed, shade leaflet blades weakly conduplicate, sun leaflet blades flat or weakly conduplicate. Leaflets not scented when crushed. Fruit broader than long; rind green-yellow (6), yellow (7-10), or yellow-orange (11); rind texture smooth (1-3) or slightly rough (4-5); firmness leathery; navel absent; flesh yellow; taste grapefruit-like.

The Chiefland Budwood Facility (2010) provided the following additional notes on the cultivar (clone DPI-112): "Melogold is more pummelo-like than Oroblanco. Fruit size larger than Oroblanco with better % juice, flavor more pummelo like, slightly tapering neck, smooth rind, seedless, white fleshed. Season: December-February"

References

Bayer, R.J., D.J. Mabberley, C. Morton, C.H. Miller, I.K. Sharma, B.E. Pfeil, S. Rich, R. Hitchcock, and S. Sykes. 2009. A molecular phylogeny of the orange subfamily (Rutaceae: Aurantioideae) using nine cpDNA sequences. American Journal of Botany 96: 668–685.

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.

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

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

Swingle, W.T. and P.C. Reece. 1967. The botany of Citrus and its wild relatives. In: Reuther, W., H.J. Webber, and L.D. Batchelor (eds.). The Citrus industry. Ed. 2. Vol. I. University of California, Riverside. http://lib.ucr.edu/agnic/webber/Vol1/Chapter3.html.

Resources

Search for this cultivar in NCBI Entrez

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

Habit (Riverside, CA)	Habit (Winter Haven, FL)	Bark (Winter Haven, FL)	Bark (Riverside, CA)	Bark (Winter Haven, FL)
First year twig (Riverside, CA)	First year twig (Riverside, CA)	First year twig (Winter Haven, FL)	First year twig (Winter Haven, FL)	First year twig (Winter Haven, FL)
Second - third year twig (Winter Haven, FL)	Second - third year twig (Winter Haven, FL)	Petiole (Riverside, CA)	Petiole (Riverside, CA)	Petiole (Winter Haven, FL)
Unifoliolate leaf (Riverside, CA)	Unifoliolate leaf (Winter Haven, FL)	Unifoliolate leaf (Winter Haven, FL)	Shade leaves (Riverside, CA)	Shade leaves (Riverside, CA)
Sun leaves (Riverside, CA)	Sun leaves (Winter Haven, FL)	Sun leaves (Winter Haven, FL)	Fruit (Winter Haven, FL)	Fruit (Winter Haven, FL)
Fruit (Winter Haven, FL)	Fruit (Winter Haven, FL)	Fruit (Winter Haven, FL)	Fruit (Winter Haven, FL)	Fruit (Riverside, CA)
Fruit (Riverside, CA)	Fruit (Riverside, CA)	Fruit cross-section (Winter Haven, FL)	Fruit cross-section (Winter Haven, FL)	Fruit cross-section (Riverside, CA)