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K.S.

Terminated

Lactuca sativa L. Lettuce · Vegetables

also searched as: к с

Variety description

10 August 2026

Hybrids of the KS series (for example, KS 129 F1 and KS 190 F1) are early-maturing, with a vegetation period of 40–45 days. The plants form a rosette of curly, glossy, light-green leaves, with an average weight of 300–400 grams.

The plants are resistant to stress conditions, cold-tolerant, and prone to late bolting. Resistance to downy mildew and lettuce aphid is declared. The leaves are succulent and crispy, suitable for cultivation in open and protected ground, and are suitable for transport.

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.

terminated no record

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

Admission to trade

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

  • IT Italy Terminated

    № 000445_O 000445

    Registration
    20 June 1977
    Terminated
    22 June 1991

Records are sourced from official registry publications. Data sources and legal status

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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

Juventa

Terminated

Lactuca sativa L. · Lettuce

NL
2 records

Juventus

Terminated

Lactuca sativa L. · Lettuce

NL
2 records

K.S. 2

Terminated

Lactuca sativa L. · Lettuce

MINISTERO DELLE POLITICHE AGRICOLE E FORESTALI - DIREZIONE GENERALE DELLE POLITICHE AGRICOLE ED AGROINDUSTRIALI NAZIONALI

IT
1 record

Nearby in the species list Junior, Juniper, Juno, Jupiter, Jurnata, Justin, Justine, Justyna, Juventa, Juventus, K.S. 2, K.S. 3, K.S. biancoseme, Kaba, Kadalis, Kaftan, KAGRANER D ESTATE, Kagraner sommer, Kagraner Sommer 2, KAGRANER SOMMER 2 'TATUS'

Discussion: K.S.

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