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Calvera

Active

Allium cepa L. var. cepa Onion · Vegetables · bred by TAKII & CO LTD

also searched as: калвера

Variety description

10 August 2026

The Calvera F1 hybrid, also known as T-831 F1, is a long-day plant. The leaves have a dark green color and vertical orientation; the neck is thin and characterized by tight closure, which is convenient for mechanical harvesting.

The bulbs are round in shape, reach a diameter of 6–8 cm, and are covered with a firm yellow skin. The hybrid is distinguished by stress tolerance and adaptability to various weather conditions.

The plant is intended for the fresh market and processing. Cultivation by direct sowing or transplanting is permitted at a recommended planting density of 750,000 to 900,000 plants per hectare.

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.

QZ

active no record

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

Parties

Breeder
Takii & Co. Ltd. 501 Developed the variety
Applicant
Takii Europe B.V. Submitted the application to the register
Maintainer
Takii & Co. Ltd. 19 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

    № 249232

    Registration
    11 November 2021
  • NL Netherlands Active

    № UIG1082

    Application
    22 June 2018
    Registration
    11 November 2021

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: Onion

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HAZERA GENETICS

ES
2 records

Nearby in the species list Cabernet, Cadix, Caimán, CAL 214 Imperial, Calado, Calibra, CALIGRANO, Calimero, Calisto, Calstrava, Calvin, Calypso, Camilla, Campari, CAMPENY MORADA, Campestre, Campillo, Camry, Canarana, Candida

Discussion: Calvera

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