University of California, Riverside
College of Natural and Agricultural Sciences
UCR Citrus Variety Collection - Home
UCR Home UCR Web Sites
Search
Resources



Malta blood orange

Citrus sinensis (L.) Osbeck

 

CRC 4085

PI 654873

 

maltamaltamalta 

Photos by David Karp and Toni Siebert, 3/17/2010, CVC. Photo rights.

 

Source: Received as budwood from Patterson Ranch, Redlands, Calif.,

 

Parentage/origins: Parents unknown.

 

Rootstocks of accession: Carrizo citrange, C-35 citrange

 

Season of ripeness at Riverside: December to January

 

Notes and observations:

Budwood received 04/2000 by Tracy Kahn from Jim Patterson, Redlands, as referred by David Karp. The Patterson orchard is said to be a very old orchard in Redlands. Propagated for the Citrus Variety Collection in 04/2000 by Ottillia "Toots" Bier.

RRK: "Portugaise is the name employed in Algeria where this variety is commercially most important, but in Tunisia it is the old and highly reputed Maltaise Sanguine variety. Almost certainly a number of clones are involved which are indistinguishable in general, yet exhibit minor differences in growth habit and fruit form. In Tunisian usage, Portugaise is considered to be somewhat more upright in growth habit and with fruit of a slightly more pronounced oval form. There is a close resemblance between Maltaise Sanguine and the Sanguinella Moscata variety of Italy. There is general agreement as to the excellent eating quality and fragrance of this variety. However, it is highly variable and uncertain with respect to blood coloration development. Frequently external red pigmentation is not accompanied by internal coloration and in some growing areas both are lacking. The origin of this undoubtedly very old variety is unknown, but possibly it may have been the island of Malta. The Maltese Blood variety introduced into Florida from the Mediterranean many years ago seems likely to be a clone of this variety as does the Bloodred Malta of West Pakistan and Punjab, India. The Egyptian variety Beladi Blood, which is said to have been imported from Malta about 1830, almost certainly is Maltaise Sanguine." (Hodgson, 1967)

"An important, high quality semi-blood variety, the Maltaise Sanguine is of unknown origin, but Malta is most probable. It is grown extensively in Tunisian and to a lesser extent in Morocco. The tree is moderately vigorous but attains only medium size when mature and is of only average productivity with a tendency towards alternate bearing. Fruit is of medium size, slightly oval in shape, with a finely pebbled rind texture. External colour is predominantly orange but occasionally has the slightest of blushes. The rind often feels soft, is of medium thickness and is easily peeled. The flesh is well coloured but never more than moderately pigmented and often only very slightly so. It is, however, very tender and rag-free (like a Shamouti), extremely juicy and virtually seedless. The Tunisian Maltaise has outstanding flavour which is regarded by many, including myself, as being the finest quality of any non-navel orange; in France it is spoken of as the 'Queen of Oranges'. It is very sweet but with adequate acidity and has a particularly delicate flavour which, when combined with it tenderness, seedlessness and high juice content, forms the near ideal desert fruit. Maturing in late January and February, the fruit hangs only moderately well on the tree before losing quality but may be stored for a reasonable period post-harvest without significant loss in quality or condition. Most of Tunisia's production is in the Soliman district of Cape Breton to the south-east of Tunis and totals around 100,000 tons annually, a quarter of which is exported to France where its fine quality consistently earns significant premiums over the best Spanish navel oranges. Although probably very specific in its climatic requirements to fully attain its best quality, and despite producing fruit of only medium size, the Maltaise Sanguine has such outstanding flavour that it deserves to be evaluated on a broaderscale under conditions similar to those which exist in Tunisia." (Saunt, 2000) 

Availability: Not commercially available in California.

USDA Germplasm Resources Information Network page for Malta blood orange

Bibliograhy:

Hodgson, RW. 1967. Horticultural Varieties of Citrus. The Citrus Industry. Vol I. Univ. Calif. Div. Agr. Sci.. Comment: Pp 472-273.

Saunt, J. 2000. Citrus Varieties Of The World. Sinclair Int.. Comment: Pp 36-37.

CVC Fruit Quality Data for Malta blood orange:

(Old format)

CULTIVAR SAMPLE LOCATION DATE  NUMBER OF FRUIT PER SAMPLE TOTAL LENGTH PER SAMPLE (cm) TOTAL WIDTH PER SAMPLE (cm) LENGTH /WIDTH RATIO TOTAL WT PER SAMPLE (grams) MEAN WEIGHT PER FRUIT (grams) EXTERNAL COLOR BASED ON COLOR CHART TEXTURE BASED ON CHART TOTAL RIND THICKNESS PER SAMPLE (mm) TOTAL SEEDS PER SAMPLE INTERIOR COLOR DESCRIPTION TOTAL JUICE WT. PER SAMPLE (grams) % JUICE TSS (TOTAL SOLUBLE SOLIDS) % ACID (BASED ON CITRIC ACID) RATIO (TSS / % ACID) 
Malta  Riverside 1/23/2006 10 59.0 59.0 1.0 1027.5 102.8 11.0 2.0 41.0 4.0 LT. OR./YEL. 550.2 53.5 12.9 1.4 9.3
Malta  Riverside 1/23/2006 10 70.8 68.9 1.0 1691.8 169.2 10.5 3.0 50.0 0.0 YELLOW 893.3 52.8 11.3 1.2 9.7
Malta  Riverside 2/12/2006 10 57.1 58.2 1.0 988.3 98.8 11.0 2.5 37.0 1.0 YEL./PIG. 555.4 56.2 11.3 1.1 10.0
Malta  Riverside 2/12/2006 10 72.1 72.7 1.0 1936.1 196.1 11.0 3.5 53.0 2.0 YELLOW NA NA 12.2 1.1 11.5
Malta Riverside 3/6/2006 10 57.7 56.3 1.0 935.5 93.6 10.5 2.0 52.0 3.0 MED. ORANGE 512.4 54.8 13.2 1.0 12.8
Malta Riverside 3/6/2006 10 70.6 67.6 1.0 1668.5 166.9 11.0 2.0 50.0 4.0 LIGHT ORANGE 894.5 53.6 13.0 1.0 13.6
Malta Riverside 3/27/2006 10 58.2 58.5 1.0 999.5 100.0 11.5 2.5 42.0 10.0 LT. RED.OR. 527.3 52.8 12.8 0.9 13.5
Malta Riverside 3/27/2006 10 71.3 71.5 1.0 1889.2 188.9 11.5 2.5 50.0 10.0 ORANGE 1001.0 53.0 13.2 1.0 13.8
Malta Riverside 1/16/2007 10 77.2 77.9 1.0 2382.8 238.3 11.0 3.0 49.0 1.0 ORANGE 1129.6 47.4 11.9 1.4 8.4
Malta Riverside 1/16/2007 10 63.5 61.3 1.0 1249.1 124.9 11.0 3.0 35.0 14.0 ORANGE 636.0 50.9 12.3 1.5 8.1
Malta Riverside 2/12/2007 10 61.1 64.4 0.9 1296.1 129.6 11.0 2.5 49.0 0.0 ORANGE 642.4 49.6 11.8 1.1 11.0
Malta Riverside 3/5/2007 10 64.0 63.6 1.0 1315.4 134.5 10.0 3.5 40.0 4.0 ORANGE 673.4 51.2 10.5 0.8 12.5
Malta Riverside 3/26/2007 10 63.0 63.0 1.0 1261.2 126.1 11.0 3.0 52.0 10.0 MED. ORANGE 638.6 50.6 12.5 1.2 10.2
Malta Riverside 1/7/2008 10 62.2 62.3 1.0 1149.1 114.9 10.0 2.5 51.0 39.0 ORANGE 532.6 46.3 11.4 0.9 12.0
Malta Riverside 2/4/2008 10 63.5 65.1 1.0 1301.3 130.1 11.0 2.0 46.0 26.0 LIGHT RED 852.4 65.5 12.4 1.1 11.9
Malta Riverside 2/25/2008 10 61.3 62.6 1.0 1181.3 118.1 11.0 2.0 53.0 24.0 LIGHT RED 580.1 49.1 12.2 1.3 9.4
Malta Riverside 3/25/2008 10 62.6 62.5 1.0 1214.1 121.4 10.5 2.0 40.0 45.0 OR. W/ RED FLKS. 600.0 49.4 11.9 1.0 11.4

 

 

 

 

 

 

 

      

       

 

 

 


 

How to Support the Collection


Page created by: Center for Visual Computing
Maintained by: tsiebert@ucr.edu

UC Seal