Dirv

Terminated

Cichorium intybus L. (Witloof Chicory Group) Witloof chicory · Vegetables

also searched as: дирв

Variety description

10 August 2026

The variety «Dirv» is officially classified as a hybrid and is used as a reference during variety trials. In technical documentation, the variety is characterized by the absence or very weak anthocyanin coloration of the leaf midrib, as well as a convex leaf shape in cross-section.

Data on economic characteristics, including yield indicators, taste qualities, maturity dates and disease resistance, are absent in official testing guidelines.

Sources5

Loading…

The list of sources is loaded via script—please enable JavaScript.

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.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY

terminated no record

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

Parties

Applicant: Bayer Holland B.V. 4 404 Submitted the application to the register
Maintainer: Clovis Matton NV 13 Responsible for variety maintenance

Admission to trade

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

NL Netherlands Terminated

№ 5747

Application

7 March 1988

Terminated

24 December 1997

Registry	Number	Application	Registration	Terminated	Status
NL Netherlands	5747	7 March 1988	—	24 December 1997	Terminated

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

Found an error in the record?

The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.

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

Same species