Walwin

Active

Lactuca sativa L. Lettuce · Vegetables · bred by Rijk Zwaan Zaadteelt en Zaadhandel B.V.

also searched as: валвин

Variety description

10 August 2026

The variety belongs to the butterhead lettuce type with a light leaf color. The medium-sized plant is characterized by a vigorous growth rate, as well as good formation and filling of a dense head.

The variety is intended for professional cultivation in protected ground during the autumn, winter, and early spring periods, including the use of heating. The recommended planting density is 11–15 plants per square meter.

It possesses high resistance to downy mildew (races Bl:29-41EU) and marginal leaf burn, as well as intermediate resistance to Fusarium wilt (race Fol:4). The variety is suitable for both fresh market sale and processing.

Sources8

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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

active no record

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

Parties

Breeder: Rijk Zwaan Zaadteelt en Zaadhandel B.V. Developed the variety
Applicant: Rijk Zwaan Zaadteelt en Zaadhandel B.V. Submitted the application to the register
Rights holder: Rijk Zwaan Zaadteelt en Zaadhandel B.V. Holds the rights to the variety
Maintainer: Rijk Zwaan Zaadteelt en Zaadhandel 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 Active

№ SLA5197

Application

2 December 2024

Registration

2 April 2026

Registry	Number	Application	Registration	Terminated	Status
NL Netherlands	SLA5197	2 December 2024	2 April 2026	—	Active

Plant breeders' rights

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

Netherlands № SLA5197

Active

Application filed 2 December 2024
Registered 2 April 2026
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

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Nearby in the species list Waimea, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Walabi, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Walabie, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Waldmann's GreenWaldo, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Walha, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Wallis, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Wallys, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Walter, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Waltrip, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">WAMBA, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Wapitti, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Wapke, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Warhol, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Wasabis, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Watergate, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">WATERSKY, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Waterton, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Watson, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Wavin ,

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