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Mary Washington 500 W.

Protection expired

Asparagus officinalis L. Asparagus · Vegetables · bred by Semenarna Ljubljana, SI

also searched as: мари вашингтон 500 в

Variety description

10 August 2026

The variety is a perennial herbaceous plant, reaching a height of 1.5–2 m, having branched stems with pinnate foliage. In comparative trials, this variety was characterized as having one of the lowest indices for shoot thickness.

The plant is often an object of scientific research in the fields of tissue culture, physiology, and breeding. In particular, the effect of mycorrhizal fungi on the resistance of this variety to Fusarium wilt was studied.

Sources8
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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.

terminated no record

Also known as

A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.

  • Mary Washington 500 W. primary IT
  • Mary Washington-500W SI

The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.

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

Parties

Breeder
Semenarna Ljubljana (SI) 313 Developed the variety
Applicant
Semenarna Ljubljana (SI) 313 Submitted the application to the register

Admission to trade

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

  • IT Italy Terminated

    № 000040_O 000040

    Registration
    20 June 1977
    Terminated
    4 February 1999
  • SI Slovenia Protection expired

    № ASO003

    Terminated
    1 January 2005

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

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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources

Same species

Other varieties: Asparagus

All 324 varieties of species

Cumulus

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Asparagus officinalis L. · Asparagus

KREIENBAUM GmbH., DE

NL UA
7 records

Asparagus officinalis L. · Asparagus

Semenarna Ljubljana, SI

ES HR IT SI
6 records

Gijnlim

Active

Asparagus officinalis L. · Asparagus

Petrus Josephus Maria Lavrijsen

HU NL PL UA
7 records

Marte

Terminated

Asparagus officinalis L. · Asparagus

CREA-CENTRO DI RICERCA PER L'ORTICOLTURA (CREA-OF-PON)

IT
2 records

Mathias

Withdrawn

Asparagus officinalis L. · Asparagus

Vilmorin SA (FR)

FR
1 record

Nearby in the species list Livio, Lorella, Lucullus, Lunalim, Magnus, Maralim, Marco, Mars, Marte, Mary Washington, Mathias, Maximus, Maxlim, Medius, Meisterschuss, Merkur, MONCAYO, Mondeo, MORADO DE TAXARA, Mosalim

Discussion: Mary Washington 500 W.

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