Sitonia

Protection expired

Lactuca sativa L. Lettuce · Vegetables

also searched as: ситониа

Variety description

10 August 2026

The variety belongs to the group of Butterhead lettuces. It was mentioned in a number of scientific publications in the 1980s and 1990s, in particular in studies on the control of the pathogen Bremia lactucae, which causes downy mildew.

Data on the morphological characteristics of the plant and current product quality indicators are absent in modern catalogs. The variety is intended for fresh consumption, however, it is currently not listed among those offered by the manufacturer for professional cultivation.

Sources2

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

Parties

Applicant: Enza Zaden Seed Operations B.V. Submitted the application to the register
Rights holder: Enza Zaden Beheer B.V. Holds the rights to the variety
Maintainer: Enza Zaden Seed Operations 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.

NL Netherlands Terminated

№ SLA637/2448

Application

17 November 1980

Terminated

8 December 1995

Registry	Number	Application	Registration	Terminated	Status
NL Netherlands	SLA637/2448	17 November 1980	—	8 December 1995	Terminated

Plant breeders' rights

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

Netherlands № SLA637

Protection expired

Application filed 18 November 1981
Registered 30 October 1984
Entry closed 13 April 1993

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

Sisteron

Terminated

Lactuca sativa L. · Lettuce

Royal Sluis Vegetables BV (NL)

FR NL

3 records

Sistina

Terminated

Lactuca sativa L. · Lettuce

Clause Semences SA (FR)

2 records

Sivna

Active

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

5 records

Nearby in the species list Sirius, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Sirmai, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Sirolan, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Sirtaki, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Sirtazia, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Sirula, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Siso, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Sissy, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Sisteron, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Sistina, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Sivna, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Skallagrimson, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Skarna, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Skater, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Skeltone, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Skilton, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Skindel, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Skipper, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">SKIPPER RZ, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Skye

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