Lolium perenne L. Perennial ryegrass · Agricultural · bred by TWYFORD SEEDS LTD
also searched as: твистар
10 August 2026
The Twystar variety is a diploid plant often used in scientific research to study competitive interactions in grass mixtures under various management regimes, such as simulated grazing and forage harvesting.
The variety is characterized by a relatively late heading date, recorded under experimental conditions on June 19. In official ryegrass variety testing protocols, Twystar is used as a reference sample for evaluating morphological traits, such as plant height and leaf width.
1 jurisdiction
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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 13/996
№ 278
№ 205882
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
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
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Nearby in the species list Turftime, TURI, Turmalin, Turovec, Tweeter, Twingo, Twins, Twygem, Twymax, Twyplay, Twytop, Tyga, Tyrconnell, Tyrella, Tyrone, Tzetrasport, Ubaldo, Ulmo, Ultra, Umbria