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FE1

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Citrus maxima x Citrus reticulata Tangelo · Fruit crops · bred by LEON LEIPOLDT ESSELEN

also searched as: фе1

Variety description

10 August 2026

Variety FE1 is classified as a grapefruit and is known by the synonym Jackson. It was obtained as a result of breeding work in South Africa. Based on this variety, a mutation named JR13 was obtained through gamma irradiation.

The fruits of the variety are characterized by white flesh. The variety is included in official reference books of citrus crops suitable for export, and quality standards have been established for it, including requirements for fruit size.

Sources8
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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.

active no record

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Breeder
LEON LEIPOLDT ESSELEN 4 Developed the variety
Applicant
RENE ESSELEN Submitted the application to the register
Rights holder
RENE ESSELEN Holds the rights to the variety
Maintainer
IVIA 356 Responsible for variety maintenance

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

  • ES Spain Active

    № 20230189

    Application
    31 March 2023
    Registration
    4 July 2024

Plant breeders' rights

The right is granted for a limited term: propagation of the variety requires a license from the rights holder.

Spain № 20195490
Terminated
  1. Application filed 9 April 2019
  2. Registered 5 July 2024
  3. Entry closed 6 February 2025

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: Tangelo

All 17 varieties of species

TR 1

Active

Citrus maxima x Citrus reticulata · Tangelo

HILDA SONIA DEL RIO/ELIEZER LOUZADA

ES
1 record

FLORIDA 914

Application submitted

Citrus maxima x Citrus reticulata · Tangelo

Frederick G. Gmitter Jr

ES
1 record

JR13

Active

Citrus maxima x Citrus reticulata · Tangelo

LEON LEIPOLDT ESSELEN

ES
1 record

Citrus maxima x Citrus reticulata · Tangelo

ES
1 record

Nearby in the species list A265, A267, ALIZA, CHXF 86, FLAME, FLORIDA 914, HENDERSON, JR13, MARSH, RAY RUBY, RED BLUSH, RIO RED, STAR RUBY, TR 1

Discussion: FE1

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