Conctance

Terminated

Lactuca sativa L. var. crispa L. Leaf lettuce · Vegetables · bred by Bas Brussaart, Johan Schut,

also searched as: конктанке

Variety description

10 August 2026

The variety forms an open, medium-sized rosette weighing up to 500 grams. The leaves have a delicate crispy texture and slight blistering, with uniform red coloration over the entire surface.

The plant is resistant to powdery mildew, downy mildew, internal necrosis, and lettuce aphid infestation. The variety exhibits high adaptability and a long period before the onset of bolting.

Intended for cultivation in open field and protected cultivation, primarily during the summer period.

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

Parties

Breeder: Bas Brussaart, Johan Schut, 15 Developed the variety
Applicant: Rijk Zwaan Welver GmbH 167 Submitted the application to the register
Rights holder: Rijk Zwaan Welver GmbH 167 Holds the rights to the variety

Admission to trade

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

UA Ukraine Terminated

№ 06291006

Application

2 November 2006

Terminated

3 January 2018

Registry	Number	Application	Registration	Terminated	Status
UA Ukraine	06291006	2 November 2006	—	3 January 2018	Terminated

Records are sourced from official registry publications. Data sources and legal status

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