R 997

Active

Zea mays L. subsp. mays (Popcorn Group) Popcorn · Agricultural · bred by CROOKHAM COMPANY

also searched as: р 997

Variety description

10 August 2026

The variety belongs to the early-mid maturity group. It is used primarily for popcorn production, with a grain expansion ratio of approximately 45 units and a weight of 10 g of grain at approximately 62 kernels.

The plant possesses good adaptive properties and is actively used in field trials under various climatic conditions. Due to high biomass indices, the variety is also considered a promising crop for silage use.

Sources8

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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: Crookham Company Inc. 88 Developed the variety
Applicant: Crookham Company Inc. 88 Submitted the application to the register
Maintainer: NL - NO NAME 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

№ 289779

Registration

25 October 2019
NL Netherlands Active

№ MAS2391

Application

27 September 2019

Registration

25 October 2019

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	289779	—	25 October 2019	—	Active
NL Netherlands	MAS2391	27 September 2019	25 October 2019	—	Active

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

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Breeder

CROOKHAM COMPANY

breeder code cb997:04

All 88 varieties of company

Registry records

Total records: 2
Jurisdictions shown: 2
First registration: 2019

Same species