Bokken

Protection expired

Brassica rapa L. subsp. chinensis (L.) Hanelt Bok choy · Vegetables

also searched as: боккен

Variety description

10 August 2026

The variety belongs to the Tatsoi type with a vegetation period of 9–10 weeks. Morphologically, the plant is characterized by the presence of robust white petioles and dark green leaves, which are used for salads and culinary processing.

The variety is suitable for sowing starting from July 10. Dense sowing is possible with subsequent thinning to harvest young baby leaves.

Sources2

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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.

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: SEMO a.s. (CZ) 527 Submitted the application to the register
Maintainer: SEMO a.s. (CZ) 527 Responsible for variety maintenance

Admission to trade

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

CZ Czechia Protection expired

№ 5400

Application

7 December 1999

Registration

4 September 2002

Terminated

4 September 2012

Registry	Number	Application	Registration	Terminated	Status
CZ Czechia	5400	7 December 1999	4 September 2002	4 September 2012	Protection expired

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

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