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



Thermal Tarocco blood orange

Citrus sinensis L. Osbeck

CRC 4018

PI 600656

VI 544

 

Thermal1Thermal3Thermal4

Photographs by Toni Siebert, CVC. Photo rights.  

  

Source: The source of this tree was donated by A. Newcomb of Thermal Plaza Nursery in Thermal, California, 1994.

 

Parentage/origins: Apprarently a bud mutation considered "different and better than CRC 3596 Tarocco" (also known as Tarocco #7).

 

Rootstocks of accession: Carrizo citrange, C-35 citrange

 

Season of ripeness at Riverside: December to February

 

Notes and observations:

OJB: Thermal Tarocco is a medium-large to large blood orange variety with few to no seeds. Tarocco blood orange if one of the major blood orange varieties of the world.  The distinctive color is a natural mutation and is due to the presence of anthocyanin, the same plant compound that is responsible for the color of pomegranates.  The distinctive color requires a chilly winter to develop properly. Thermal Tarocco's main season of maturity is January into March.

TS: Of the three Tarocco selections in the Citrus Variety Collection, Thermal Tarocco has the least amount of pigmentation in Riverside.

Availability: Commercially available in California through the Citrus Clonal Protection Program.

 

USDA Germplasm Resources Information Network page for Thermal Tarocco blood orange

 

CVC Fruit Quality Data for Thermal Tarocco blood orange

 

 


How to Support the Collection


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

UC Seal