Extremo

Terminated

Lactuca sativa L. Lettuce · Vegetables · bred by Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

also searched as: екстремо

Variety description

10 August 2026

The variety is mid-season and forms a semi-headed rosette of semi-erect type, 15–20 cm in height and about 20 cm in diameter. The leaves are large in size, inversely triangular in shape, and have a glossy surface, distinguished by an intense green color, deep incisions, and a wavy edge.

The plant possesses high resistance to bolting, temperature fluctuations, and stress conditions. The variety demonstrates resistance to leaf necrosis and is distinguished by rapid growth and high market quality of produce, suitable for fresh consumption.

Sources3

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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.

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.

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

Parties

Breeder: Rijk Zwaan Zaadteelt en Zaadhandel BV (NL) Developed the variety
Applicant: Ritscher & Seifert 27 Submitted the application to the register
Rights holder: Rijk Zwaan Zaadteelt en Zaadhandel B.V. Holds the rights to the variety
Maintainer: Ritscher & Seifert 27 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

№ 271604

Registration

13 May 2001

Terminated

30 June 2009
FR France Terminated

№ 1005713

Application

5 April 2000

Registration

1 January 2001

Terminated

31 December 2005

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	271604	—	13 May 2001	30 June 2009	Terminated
FR France	1005713	5 April 2000	1 January 2001	31 December 2005	Terminated

Plant breeders' rights

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

France № 17077

Terminated

Application filed 28 January 2000
Registered 16 April 2002
Entry closed 23 December 2005

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: Lettuce

All 8 226 varieties of species

FRILL ICE

Active

Lactuca sativa L. · Lettuce

SVS Holland B.V.

DK ES FR IT

14 records

El Sol

Active

Lactuca sativa L. · Lettuce

Nunhems, NL

12 records

Ice Agata

Active

Lactuca sativa L. · Lettuce

SYNGENTA SEEDS B.V.

8 records

Extranet

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

7 records

Extratos

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

6 records

Exupery

Terminated

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

2 records

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