Mietko

Active

Cannabis sativa L. Hemp · Agricultural · bred by Gospodarstwo Rolno-Nasienne KOW-MAR Maria J. Kowalska

also searched as: миетко

Variety description

10 August 2026

The variety is a monoecious form of hemp intended for cultivation for biomass for industrial purposes. The vegetation period, including the timing of the onset of flowering and technical maturity, is within the average range for this crop.

Straw yield is 100–106 dt/ha, seed yield is approximately 9.7 dt/ha. Thousand kernel weight reaches 18.3 g. The chemical composition is characterized by an average cannabidiol content of 2.14% and a low tetrahydrocannabinol content of 0.11%.

The plant possesses relative resistance to fungal diseases. The variety is approved for cultivation in the territory of the European Union.

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.

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

active no record

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

Parties

Breeder: Gospodarstwo Rolno-Nasienne KOW-MAR Maria J. Kowalska 4 Developed the variety
Applicant: Gospodarstwo Rolno-Nasienne KOW-MAR Maria J. Kowalska 4 Submitted the application to the register
Rights holder: Gospodarstwo Rolno-Nasienne KOW-MAR Maria J. Kowalska 4 Holds the rights to the variety
Maintainer: PL - GOSPODARSTWO ROLNO-NASIENNE KOW-MAR MARIA J. KOWALSKA 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

№ 213981

Registration

10 March 2020
PL Poland Withdrawn

№ R R11018

Application

16 December 2014

Terminated

8 May 2015
PL Poland Active

№ R R12185

Application

20 December 2016

Registration

10 March 2020

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	213981	—	10 March 2020	—	Active
PL Poland	R R11018	16 December 2014	—	8 May 2015	Withdrawn
PL Poland	R R12185	20 December 2016	10 March 2020	—	Active

Plant breeders' rights

The right is granted for a limited term: propagation of the variety requires a license from the rights holder.

Poland № O R1664

Active

Application filed 5 June 2020
Registered 23 June 2020
Currently active indefinite in the register

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

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Breeder

Gospodarstwo Rolno-Nasienne KOW-MAR Maria J. Kowalska

breeder code Mietko

All 4 varieties of company

Registry records

Total records: 4
Jurisdictions shown: 2
First registration: 2020

Same species

Other varieties: Hemp

All 714 varieties of species

C S

Active

Cannabis sativa L. · Hemp

CREA- CENTRO DI RICERCA PER LE COLTURE INDUSTRIALI (CREA-CI-BO)

CZ IT

7 records

Uso-31

Active

Cannabis sativa L. · Hemp

Hempflax BV

4 records

Finola

Active

Cannabis sativa L. · Hemp

James C. Callaway,PhD, James C. Callaway,PhD

FI NL

13 records

MGC 1212

Withdrawn

Cannabis sativa L. · Hemp

MARCEL DE WIT

2 records

Midwest

Active

Cannabis sativa L. · Hemp

Jupiter Agricultural Seed LLC (USA)

3 records

Mimosa

Withdrawn

Cannabis sativa L. · Hemp

CIJA Preservation S.L.

1 record

Nearby in the species list MGC 1149, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">MGC 1150, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">MGC 1151, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">MGC 1154, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">MGC 1155, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">MGC 1156, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">MGC 1157, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">MGC 1164, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">MGC 1212, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Midwest, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Mimosa, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Miss Beauty, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">MOC20P01, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Mona 16, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Monferrato, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Moniek, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Moniseed, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Monoica, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">Morning Glory, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">MP 1001

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