Lactuca sativaL.Lettuce· Vegetables· bred by Rijk Zwaan Zaadteelt en Zaadhandel B.V.
also searched as: маделона
Variety description
10 August 2026
The plant is large, dark green with 3D leaves. The inner leaves have a yellowish hue, a crunchy texture, and a mild flavor. The average head weight is about 400 grams. The vegetation cycle lasts 40–60 days, suitable for cultivation during spring and summer periods.
The variety possesses high resistance (HR) to powdery mildew races Bl:29-34, 36, 39, 40EU and aphid (Nr:0), as well as intermediate resistance (IR) to corky root rot. It is characterized by resistance to bolting and leaf tip burn. The produce is suitable for the fresh market and processing, resistant to the formation of hollow ribs and oxidation at the cut edges.
Sources3
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 1
jurisdiction,
data for which we do not publish: their registry licenses have not yet been verified.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 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.
QZ
European Union
Active
№ 272780
Registration
16 April 2015
NL
Netherlands
Active
№ SLA3337
Application
7 November 2013
Registration
16 April 2015
GB
United Kingdom
Active
№ 19/12556
Application
5 October 2018
Registration
30 November 2018
Registry
Number
Application
Registration
Terminated
Status
QZ
European Union
272780
—
16 April 2015
—
Active
NL
Netherlands
SLA3337
7 November 2013
16 April 2015
—
Active
GB
United Kingdom
19/12556
5 October 2018
30 November 2018
—
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№ 20132975
Active
Application filed
22 November 2013
Registered
22 June 2015
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