Lolium perenne L. Perennial ryegrass · Agricultural · bred by INTERNATIONAL SEEDS INC
also searched as: дерби
10 August 2026
The variety forms a dense stand with dark-green leaf color. In the history of breeding, it is known as one of the early successful commercial turf-type varieties that set standards for subsequent generations.
There are other varieties on the market with similar names, such as Derby Nova and Derby Supreme, which are different breeding developments and should not be identified with the original 1975 variety.
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.
Variety registered as early as 3 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 0052823
№ 13/278
№ 004338
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
More 1 record protections in other jurisdictions are shown on the map above.
Records are sourced from official registry publications. Data sources and legal status
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
Same species
Lolium perenne L. · Perennial ryegrass
DLF SEEDS A/S
Lolium perenne L. · Perennial ryegrass
PGG Wrightson Seeds
Lolium perenne L. · Perennial ryegrass
Steve Reid
Lolium perenne L. · Perennial ryegrass
Lolium perenne L. · Perennial ryegrass
Limagrain Nederland B.V.
Lolium perenne L. · Perennial ryegrass
DLF USA, Inc. and Rutgers, The State University of New Jersey
Nearby in the species list Delaware, Delgado, Delgrazi, Delika, Delphin, Delta, Demarrage, Dempsey, Dendro, Denver, Derby Nova, Derbyhat, Desan, Desano 1, Desigual, Désir, Dexter, Dexter 1, Diament, Diamora