R 283

Active

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

also searched as: р 283

Variety description

10 August 2026

The variety forms a single ear. The thousand kernel weight is 58 g. The expansion ratio is 47 MWVT.

The plant has a strong stalk and a well-developed root system. It possesses high resistance to common rust, northern corn leaf blight, and gray leaf spot, as well as intermediate resistance to bacterial wilt.

Sources4

Loading…

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

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

Also known as

breeder code R283

A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.

R 283 primary FR, QZ
R283 QZ, SK

The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.

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: SK - CROOKHAM INC. 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 Terminated

№ 289774

Registration

18 July 2013

Terminated

30 June 2019
QZ European Union Active

№ 289780

Registration

20 June 2022
FR France Terminated

№ 4042710

Application

1 February 2010

Registration

1 January 2013

Terminated

31 December 2016
SK Slovak Republic Active

№ 220R099

Application

26 August 2019

Registration

20 June 2022

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	289774	—	18 July 2013	30 June 2019	Terminated
QZ European Union	289780	—	20 June 2022	—	Active
FR France	4042710	1 February 2010	1 January 2013	31 December 2016	Terminated
SK Slovak Republic	220R099	26 August 2019	20 June 2022	—	Active

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

Breeder

Crookham Company (US)

breeder code R283

All 18 varieties of company

Registry records

Total records: 4
Jurisdictions shown: 3
First registration: 2013

Same species