R 427

Active

Zea mays L. subsp. mays (Popcorn Group) Popcorn · Agricultural · bred by Crookham Company (US)

also searched as: р 427

Variety description

10 August 2026

The variety belongs to mid-season hybrids with a vegetation period of about 105 days. The plant is capable of forming two ears, which ensures high yield potential. The grains have an orange color and large size.

The variety is characterized by a high expansion ratio upon popping — from 50 MWVT units and higher. Possesses intermediate resistance to rust and bacterial wilt.

Intended for industrial use as a raw material for popcorn production.

Sources5

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Countries of admission

3 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 terminated no record

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

Parties

Breeder: CROOKHAM COMPANY (US) 18 Developed the variety
Applicant: Natais (FR) 30 Submitted the application to the register
Maintainer: Natais (FR) 30 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

№ 289777
FR France Terminated

№ 4042690

Application

1 February 2010

Registration

1 January 2013

Terminated

31 December 2016
HU Hungary Active

№ 406224

Application

27 January 2021

Registration

4 April 2023

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	289777	—	—	—	Active
FR France	4042690	1 February 2010	1 January 2013	31 December 2016	Terminated
HU Hungary	406224	27 January 2021	4 April 2023	—	Active

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

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Breeder

Crookham Company (US)

breeder code R 427

All 18 varieties of company

Registry records

Total records: 3
Jurisdictions shown: 3
First registration: 2013

Same species