Melogold

Melogold
Melogold in growth
Hybrid parentage	Citrus grandis × C. Paradisi/Citrus maxima/Citrus grandis
Cultivar	Melogold
Origin	University of California, Riverside

The Melogold or Melogold grapefruit (Citrus grandis Osbeck × C. Paradisi Macf.) is a citrus hybrid similar to the oroblanco; both result from a cross between the pomelo and the grapefruit and is a fruit similar to a sweet grapefruit.

Motivation

The intent was to obtain a grapefruit-like cross that is less bitter or acidic than grapefruit, instead achieving sweetness similar to the pomelo. It was to be smaller than the pomelo, and more flavourful, with characteristics linked to the grapefruit. The breeders intentionally used a tetraploid grapefruit and a diploid pomelo, with triploid progeny and seedless.^[1]

Characteristics

A Melogold grapefruit tree

Similar to oroblanco, Melogold can be eaten with a Grapefruit spoon, or peeled as an orange. They are ripe when still green.

Melogold was once said to be preferred as a cash crop over oroblanco, since melogold has thinner skin, which is preferred by consumers. Oroblanco is still more special in flavor.^[2]

Exterior peel color is slower to develop than in Marsh grapefruit, but late in the season is comparable. Exterior peel texture is smooth to slightly pebbled. Average peel thickness is slightly greater than Marsh, but as a percentage of fruit diameter is equal to Marsh and thinner than Oroblanco; interior color and texture are the same as Oroblanco. As with Oroblanco the central core hollow is greater than Marsh at maturity. The flesh is tender and juicy, separating well from the segment membranes. Percent juice has been equal to Marsh and slightly higher than Oroblanco.^[2]

History

In 1958, CRC 2240 (pomelo) Robert K. Soost and James W. Cameron crossed with a seedy, white, tetraploid grapefruit. Two of the triploid offspring had particularly favorable characteristics. One was released in 1980 as 'Oroblanco'. The second was released as Melogold. Oroblanco was more similar to grapefruit, while Melogold was more similar to pomelo.^[2]

Melogold was much larger than Marsh grapefruit and Oroblanco at all test locations. Weight at Riverside from 1967 through 1975 averaged 470 grams for Melogold, 360 grams for Oroblanco and 280 grams for Marsh.^[2]

References

↑ "On the cusp of grapefruit season: Market Watch". Los Angeles Times.
1 2 3 4 "melogold". ucr.edu.

External links

Soost R K, Cameron J W. “Melogold'. a triploid pummelo-grapefruit hybrid. Hort Sci. 1985.
UCR NewsRoom
Shockingly Delicious
Specialty produce
Produce Express

Citrus

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Major hybrids	Grapefruit Lemon Lime Orange

True and hybrid cultivars	Alemow Amanatsu Bergamot orange Bizzaria Bitter orange Blood lime Blood orange Buddha's hand Cam sành Cara cara navel Cherry orange Citrange Citrumelo Clementine Daidai Dekopon Fairchild tangerine Florentine citron Hassaku orange Hebesu Hyuganatsu Imperial lemon Iyokan Jabara Jaffa orange Kabbad Kabosu Kaffir lime Kakadu lime Kalpi Key lime Khasi papeda Kinnow Kishumikan Kiyomi Komikan Laraha Lumia Mandelo Mandora Melanesian papeda Melogold Meyer lemon Murcott Myrtle-leaved orange tree Ōgonkan Orangelo/Chironja Oroblanco Palestinian sweet lime Persian lime Perrine lemon Pixie mandarin Ponderosa lemon Ponkan Rangpur Reikou Rhobs el Arsa Rough lemon Sanboken Satsuma mandarin Setoka Shangjuan Shonan Gold Sudachi Sweet lemon Sweet limetta Tangelo Tangerine Tangor Ugli fruit Valencia orange Variegated pink lemon Winged lime Xã Đoài orange Yuukou mandarin Yuzu

Non-hybrid citrons	Balady citron Corsican citron Diamante citron Fingered citron Greek citron Moroccan citron Yemenite citron

Non-hybrid mandarin oranges	Nanfengmiju Cleopatra mandarin Shīkwāsā

Non-hybrid papedas	Ichang papeda Citrus halimii or Mountain "citron"

Non-hybrid pomelos	Banpeiyu Dangyuja

Australian and Papuan citrus (Microcitrus, Eromocitrus, and Clymenia subgenera)	Australian outback lime Australian round lime Brown River finger lime Desert lime Mount white lime (Microcitrus) New Guinea wild lime Russell River lime Clymenia

Kumquat/Fortunella hybrids (×Citrofortunella)	Calamondin Citrangequat Limequat Orangequat Procimequat Sunquat Yuzuquat

Related genera	Citrus glauca Poncirus/Trifoliate orange Triphasia Brassii Grandifolia Trifolia

Drinks	Chūhai Curaçao Grapefruit juice Lemonade Limeade Orange juice Yuja hwachae Yujacha

Products	Calcium citrate Citric acid Lemonene Limonene Neroli Orange flower water Orange oil Succade Zest

Diseases	Black spot CTV/Tristeza Exocortis Greening Mal secco Phytophthora citricola

Related topics	The Citrus Industry Citrus production Citrus rootstock Citrus taxonomy Cold-hardy citrus Hesperidium Japanese citrus List of citrus fruits Mother Orange Tree Orangery University of California Citrus Experiment Station University of California, Riverside Citrus Variety Collection

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