Lactuca sativaL.Lettuce· Vegetables· bred by NUNHEMS ZADEN B.V.
also searched as: силвеста
Variety description
10 August 2026
The plant belongs to the butterhead lettuce type. It forms medium-sized heads, and the leaves are colored mid-green. The variety is characterized by its ability to form heavy and dense heads, as well as resistance to bolting.
The variety possesses high resistance (HR) to downy mildew (Bremia lactucae) races 16, 17, 19, 21, 23EU and lettuce aphid (Nasonovia ribisnigri) biotype 0. It shows intermediate resistance (IR) to lettuce mosaic virus (LMV: 1) and also possesses tolerance to green leaf aphid.
Intended for professional cultivation, including in the open field. Suitable for growing over a long period — from early spring to late autumn.
Sources3
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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data for which we do not publish: their registry licenses have not yet been verified.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
NUNHEMS ZADEN B.V.Developed the variety
Applicant
Nunhems B.V.Submitted the application to the register
Rights holder
Graines Voltz S.A.Holds the rights to the variety
Maintainer
NL - GRAINES VOLTZ SA 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
№ 274398
Registration
8 May 2012
NL
Netherlands
Active
№ SLA1139/11671
Application
4 February 1999
Registration
12 March 2000
GB
United Kingdom
Active
№ 19/12013
Application
5 October 2018
Registration
30 November 2018
Registry
Number
Application
Registration
Terminated
Status
QZ
European Union
274398
—
8 May 2012
—
Active
NL
Netherlands
SLA1139/11671
4 February 1999
12 March 2000
—
Active
GB
United Kingdom
19/12013
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№ 19990203
Active
Application filed
15 February 1999
Registered
17 June 2002
Currently active
indefinite in the register
More 1 record
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