Star Ruby
ActiveCitrus x paradisi Macfad. · Grapefruit
FR
9 records
TR-1
ActiveCitrus x paradisi Macfad. Grapefruit · Fruit crops · bred by TEXAS A&M UNIVERSITY AGRI
also searched as: тр 1
Variety description
10 August 2026
The variety is a natural mutation of the Rio Red variety, discovered in 2004. The tree is diploid, vigorous, with a dense crown, spherical shape, and upright branches. The variety is characterized by productivity within the crown.
The fruits have a mass of about 466–467 g and a shape ranging from spherical to oblate. The peel is smooth, about 5.5 mm thick, with a pronounced red hue. The flesh is red and has a mild taste with a low degree of bitterness. The variety is intended for fresh consumption.
Sources4
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Countries of admission
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
Also known as
breeder code TR-1
A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.
- TR-1 primary QZ, US
- TR 1 QZ
- TR_1 QZ
- TR1 QZ
The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.
Variety in registries Regions of admission, rights holders, and status of plant breeders' rights
Parties
- Breeder
- TEXAS A&M UNIVERSITY AGRI 2 Developed the variety
- Applicant
- Texas A&M University System 14 Submitted the application to the register
- Rights holder
- Texas A&M University System 14 Holds the rights to the variety
- Maintainer
- Texas A & M University System 14 Responsible for variety maintenance
Plant breeders' rights
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
United States of America
№ 15932036
Active
- Application filed 26 January 2018
- Registered —
- Currently active indefinite in the register
More 2 records protections in other jurisdictions are shown on the map above.
Records are sourced from official registry publications. Data sources and legal status
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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
Same species
Other varieties: Grapefruit
Oroblanco
ActiveCitrus x paradisi Macfad. · Grapefruit
Soost, Robert K.|Riverside, CA / Cameron, James W.|Riverside, CA
FR
4 records
JR13
ActiveCitrus x paradisi Macfad. · Grapefruit
LEON LEIPOLD ESSELEN
RED BLUSH SRA-56
ActiveCitrus x paradisi Macfad. · Grapefruit
RED FLESHED
ActiveCitrus x paradisi Macfad. · Grapefruit
RED MARSH
ActiveCitrus x paradisi Macfad. · Grapefruit
Nearby in the species list Marsh Seedless, MARSH SEEDLESS NUCELLARE 50-27C-1, MC-CARTY S-FL, NATZUMIKAN, Oroblanco, Ray Ruby, RED BLUCH, RED BLUSH, RED BLUSH SRA-56, RED FLESHED, RED MARSH, RED S-FL, Rio Red, RUBY, SHABAR SRA 22, SHAMBAR, SHAMBAR SRA 22, SRA 56, Star Ruby, THOMPSON