Delaware

Protection expired

Lolium perenne L. Perennial ryegrass · Agricultural · bred by Ampac Seed company (US)

also searched as: делаваре

Variety description

10 August 2026

The Delaware variety (also known as Delaware Dwarf or Delaware XL) belongs to the turf type and is intended for the creation of high-quality sod. In specialized studies, this variety demonstrates stable surface quality indicators and resistance to fungal infections.

The plant possesses pronounced low growth and high shoot density, which allows it to be used in specialized turf mixtures. Genetic resistance to gray leaf spot is one of the key characteristics of the variety, confirmed during professional trials.

Sources5

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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: Ampac Seed company (US) 2 Developed the variety
Applicant: DLF Trifolium A/S (DK) 7 Submitted the application to the register
Maintainer: DLF Seeds A,S (DK) 213 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

№ 204490
FR France Terminated

№ 0064410

Application

15 December 1990

Registration

1 January 1995

Terminated

31 December 2011
CZ Czechia Protection expired

№ 2499

Application

2 January 1995

Registration

20 March 1999

Terminated

20 March 2009

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	204490	—	—	—	Terminated
FR France	0064410	15 December 1990	1 January 1995	31 December 2011	Terminated
CZ Czechia	2499	2 January 1995	20 March 1999	20 March 2009	Protection expired

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

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Breeder

Ampac Seed company (US)

breeder code DELAWARE DWARF

All 2 varieties of company

Registry records

Total records: 5
Jurisdictions shown: 2
First registration: 1995

Same species