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45-50 RZ

Active

Lactuca sativa L. Lettuce · Vegetables · bred by RIJK ZWAAN Z.Z. B.V.

also searched as: 45 50 рз

Variety description

10 August 2026

The variety belongs to the Iceberg type and is intended for cultivation during the winter period. The plant forms a voluminous rosette with a round-shaped head and large outer leaves.

The hybrid possesses resistance to downy mildew races Bl:31, 32EU, lettuce aphid Nr:0, and internal necrosis Pb. The variety is distinguished by high productivity and the ability to withstand diseases occurring under challenging weather conditions.

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.

active no record

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

Parties

Breeder
RIJK ZWAAN Z.Z. B.V. 220 Developed the variety
Applicant
RIJK ZWAAN Z.Z. B.V. 220 Submitted the application to the register
Rights holder
RIJK ZWAAN Z.Z. B.V. 220 Holds the rights to the variety
Maintainer
RIJK ZWAAN Z.Z. B.V. 220 Responsible for variety maintenance

Admission to trade

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

  • ES Spain Active

    № 20090249

    Application
    22 July 2009
    Registration
    31 October 2011

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

Lactuca sativa L. · Lettuce

SVS Holland B.V.

DK ES FR IT
14 records

El Sol

Active

Lactuca sativa L. · Lettuce

Nunhems, NL

NL
12 records

Lactuca sativa L. · Lettuce

SYNGENTA SEEDS B.V.

ES
8 records

45-27 RZ

Withdrawn

Lactuca sativa L. · Lettuce

RIJK ZWAAN Z.Z. B.V.

ES
1 record

45-38 RZ

Withdrawn

Lactuca sativa L. · Lettuce

RIJK ZWAAN Z.Z. B.V.

ES
1 record

45-59 RZ

Terminated

Lactuca sativa L. · Lettuce

RIJK ZWAAN Z.Z. B.V.

ES
1 record

Nearby in the species list 42-35, 43 38 RZ, 43 59 RZ, 43 88RZ, 43 94 RZ, 45-02 RZ, 45-03 RZ, 45 20RZ, 45-27 RZ, 45-38 RZ, 45-59 RZ, 45 78RZ, 45-84 RZ, 45 97RZ, 49901, 49901 A, 5979 B, 667-76, 67614, 67624

Discussion: 45-50 RZ

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