Ribera

Protection expired

Zea mays L. subsp. mays (Maize Group) Maize · Agricultural · bred by Pioneer Hi-Bred International Inc (US)

also searched as: рибера

Variety description

10 August 2026

The Ribera hybrid, also known as PR37M34, belongs to the mid-late maturity group with an FAO 380 rating. The plant is characterized by tall stature and a medium ear placement level. The ears have a conical shape, large size, and are tightly covered with husks; the grain type is dent.

This hybrid is used both for grain production and as a raw material for silage and biogas production. The variety demonstrates good adaptability to stress conditions, including high resistance to drought and temperature fluctuations, and also possesses the stay-green trait.

Sources4

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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

terminated no record

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

Parties

Breeder: Pioneer Hi-Bred International Inc (US) Developed the variety
Applicant: Pioneer Hi-Bred International, Inc. (US) Submitted the application to the register
Maintainer: Pioneer Hi-Bred International, Inc. (US) 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

№ 292231
FR France Terminated

№ 0073510

Application

13 February 1998

Registration

1 January 2000

Terminated

31 December 2005
CZ Czechia Protection expired

№ 5754

Application

31 January 2000

Registration

14 March 2003

Terminated

14 March 2013

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	292231	—	—	—	Terminated
FR France	0073510	13 February 1998	1 January 2000	31 December 2005	Terminated
CZ Czechia	5754	31 January 2000	14 March 2003	14 March 2013	Protection expired

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

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