KWSEK 546

Active

Zea mays L. Maize · Agricultural · bred by Rainer Leipert

also searched as: квсек 546

Variety description

10 August 2026

The variety is classified as early-maturing and is intended for use in breeding work for the purpose of creating new maize hybrids.

Detailed morphological characteristics of the plant, such as height or disease resistance, are not provided in open sources, as these indicators are characteristic of final commercial hybrids, not parental lines.

Sources5

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Countries of admission

3 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: Rainer Leipert 229 Developed the variety
Applicant: KWS SAAT SE & Co. KGaA 6 759 Submitted the application to the register
Rights holder: KWS SAAT SE & Co. KGaA 6 759 Holds the rights to the variety
Maintainer: KWS SAAT SE & Co. KGaA 6 759 Responsible for variety maintenance

Admission to trade

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

UA Ukraine Active

№ 22909121

Application

5 December 2022

Registration

28 November 2024
DE Germany Active

№ M 17715

Application

31 January 2023

Registration

11 February 2025

Registry	Number	Application	Registration	Terminated	Status
UA Ukraine	22909121	5 December 2022	28 November 2024	—	Active
DE Germany	M 17715	31 January 2023	11 February 2025	—	Active

Plant breeders' rights

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

Ukraine № 22909121

Active

Application filed 5 December 2022
Registered 29 November 2024
Currently active indefinite in the register

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

Rainer Leipert

breeder code KWSEK 546

All 229 varieties of company

Registry records

Total records: 4
Jurisdictions shown: 3
First registration: 2024

Same species

Other varieties: Maize

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P 9578

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Zea mays L. · Maize

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AT BG HU RO SI SK +1

15 records

P 9074

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Zea mays L. · Maize

Pioneer Overseas Corporation, USA

AT BG DE RO SI SK +1

19 records

PR 39 G 12

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Zea mays L. · Maize

PIONEER| Pioneer Hi-Bred Services GmbH

AT BE DE LT SI SK

13 records

KWSEK 544

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Zea mays L. · Maize

2 records

KWSEK 545

Active

Zea mays L. · Maize

Daniel Kleiber

DE UA

4 records

KWSEK 547

Withdrawn

Zea mays L. · Maize

1 record

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