Fahrenheit

Terminated

Allium porrum L. Leek · Vegetables · bred by Seminis Vegetable Seeds France (FR)

also searched as: фахренхеит

Variety description

10 August 2026

The Fahrenheit F1 variety belongs to the winter group of leeks. In scientific studies focused on the chemical composition of various cultivars, this variety stands out among other samples for its elevated levels of vitamin C in the edible part.

This variety is frequently used in agronomic research focused on the analysis of antioxidant properties, genetic diversity, and crop productivity.

Sources2

Loading…

The list of sources is loaded via script—please enable JavaScript.

Countries of admission

2 jurisdictions

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.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY

terminated no record

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

Parties

Breeder: Seminis Vegetable Seeds France (FR) 261 Developed the variety
Applicant: Seminis Vegetable Seeds France (FR) 261 Submitted the application to the register
Maintainer: Seminis Vegetable Seeds Inc. (US) Responsible for variety maintenance

Admission to trade

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

QZ European Union Terminated

№ 250797

Registration

24 June 2005

Terminated

31 December 2016
NL Netherlands Terminated

№ PRE142/15216

Application

26 February 2004

Registration

24 June 2005

Terminated

31 December 2016
FR France Withdrawn

№ 1016828

Application

7 February 2005

Terminated

1 March 2005

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	250797	—	24 June 2005	31 December 2016	Terminated
NL Netherlands	PRE142/15216	26 February 2004	24 June 2005	31 December 2016	Terminated
FR France	1016828	7 February 2005	—	1 March 2005	Withdrawn

Records are sourced from official registry publications. Data sources and legal status

Found an error in the record?

The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.

This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources

Breeder

Seminis Vegetable Seeds France (FR)

breeder code RS 07323921

All 261 varieties of company

Registry records

Total records: 3
Jurisdictions shown: 2
First registration: 2005

Falcon

Active

Allium porrum L. · Leek

Semsearch B.V.

4 records

Nearby in the species list Ekkehard, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Elboeuf, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Electra, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Elefant, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Elefante, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Elnora, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Erwin, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Europa, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Evita, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Exeter, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Falcon, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Fama, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Fanton, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Faraday, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Farinto, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Farinto, Blauwegroene WinterFavorit, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Fedora, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Fencer, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Festan ,

Discussion: Fahrenheit

0 messages

Growing experience and notes on the entry. Comments are not part of the reference data and are not verified against primary sources.

Comments are open to signed-in readers. Sign in · Sign up