Lactuca sativaL.Lettuce· Vegetables· bred by Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
also searched as: роуксаи
Variety description
10 August 2026
The plant forms a compact rosette of shiny, tender, succulent lobed leaves with wavy edges 12–15 cm long. The average head weight is 400–500 g, and the vegetation period takes about 45–50 days.
The variety has high resistance to downy mildew (races 16–30, 32, 33 EU) and lettuce aphid (race 0), as well as to internal necrosis. It is characterized by heat tolerance, resistance to temperature fluctuations, and a long period before the start of bolting.
Sources6
Loading…
Countries of admission
2 jurisdictions
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.
Variety registered as early as 3
jurisdictions,
data for which we do not publish: their registry licenses have not yet been verified.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
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.
QZ
European Union
Active
№ 273954
Registration
23 March 2010
FR
France
Active
№ 1028579
Application
3 November 2008
Registration
1 January 2010
RU
Russian Federation
Active
№ 54486
Application
15 September 2010
Registration
21 November 2011
AR
Argentina
Active
№ 018385
Application
14 September 2018
Registration
9 November 2018
GB
United Kingdom
Active
№ 19/17427
Application
22 January 2019
Registration
28 February 2019
Registry
Number
Application
Registration
Terminated
Status
QZ
European Union
273954
—
23 March 2010
—
Active
FR
France
1028579
3 November 2008
1 January 2010
—
Active
RU
Russian Federation
54486
15 September 2010
21 November 2011
—
Active
AR
Argentina
018385
14 September 2018
9 November 2018
—
Active
GB
United Kingdom
19/17427
22 January 2019
28 February 2019
—
Active
Plant breeders' rights
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
European Union№ 20091838
Active
Application filed
18 September 2009
Registered
4 October 2010
Currently active
indefinite in the register
More 1 record
protections in other jurisdictions are shown on the map above.
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed.
More about sources