SV4522NB

Active

Allium fistulosum L. Welsh onion · Vegetables · bred by Bayer Holland B.V.

also searched as: св4522нб

Variety description

10 August 2026

The variety is intended for cultivation in the summer-autumn period and does not possess cold tolerance. The plant is noted for high uniformity and ease of cleaning. The skin and flesh are white.

A distinctive feature is the delayed thickening (bulb formation) process, which allows for an extended harvest period. The variety exhibits resistance to high temperatures and possesses a high degree of resistance to Fusarium wilt (Foc) and pink root rot (Pt) pathogens.

Sources8

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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

active no record

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

Parties

Breeder: Bayer Holland B.V. 4 404 Developed the variety
Applicant: Bayer Holland B.V. 4 404 Submitted the application to the register
Rights holder: Bayer Holland B.V. 4 404 Holds the rights to the variety
Maintainer: NL - Bayer Holland B.V. 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 Active

№ 250661

Registration

25 February 2015
NL Netherlands Active

№ UIF36

Application

20 September 2012

Registration

25 February 2015

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	250661	—	25 February 2015	—	Active
NL Netherlands	UIF36	20 September 2012	25 February 2015	—	Active

Plant breeders' rights

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

Netherlands № UIF36

Terminated

Application filed 20 September 2012
Registered 25 February 2015
Entry closed 23 April 2024

More 1 record 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

Breeder

Bayer Holland B.V.

breeder code SV4522NB

All 4 404 varieties of company

Registry records

Total records: 4
Jurisdictions shown: 2
First registration: 2015

Same species