Bona
TerminatedLactuca sativa L. var. crispa L. · Leaf lettuce
H.Margiel-Migdal
UA
1 record
Xandra
ActiveLactuca sativa L. var. crispa L. Leaf lettuce · Vegetables · bred by RIJK ZWAAN Zaadteelt en Zaadhandel B.V.
also searched as: ксандра
Variety description
10 August 2026
The variety belongs to the Multi-leaf type, in which the rosette breaks into many proportional leaves after cutting the base. The compact, massive rosette reaches a weight of 300–450 g. The leaves are wavy, dense, oak-shaped, and have a contrasting color: dark red tips, a green middle part, and a yellow core.
The period from emergence to technical maturity is 40–45 days. The variety is resistant to bolting, leaf burn, currant-lettuce aphid (Nr:0), and downy mildew (races Bl:16–32, 29–32, 34, 36, 39, 40). The recommended planting density is 13–16 plants per 1 m², the produce is characterized by high transportability.
Sources8
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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.
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
Admission to trade
The variety is listed in the national registry — its seeds are authorized for sale in this country.
-
UA Ukraine Terminated
№ 16120007
- Application
- 29 September 2016
- Registration
- 28 August 2017
- Terminated
- 26 February 2025
Plant breeders' rights
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
Ukraine
№ 16120007
Active
- Application filed 29 September 2016
- Registered 11 January 2018
- Currently active indefinite in the register
Records are sourced from official registry publications. Data sources and legal status
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Meref'ians`kyi
TerminatedLactuca sativa L. var. crispa L. · Leaf lettuce
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Merefianskyi
TerminatedLactuca sativa L. var. crispa L. · Leaf lettuce
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Slobozhans`kyi
TerminatedLactuca sativa L. var. crispa L. · Leaf lettuce
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Slobozhanskyi
TerminatedLactuca sativa L. var. crispa L. · Leaf lettuce
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UA
1 record
Troll
WithdrawnLactuca sativa L. var. crispa L. · Leaf lettuce
DE
1 record
Nearby in the species list Rossettina, Sementel, Shar malynovyi, Slobodzhanyn, Slobozhans`kyi, Slobozhanskyi, Troll, Vaidosa, Vel`mozha, Vyshyvanka, Zagrava, Zolotyi shar, Zorepad