Skip to content

Asso

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. Westerwolds Ryegrass · Agricultural · bred by Istituto Sperimentale per le colture foraggere (IT)

also searched as: ассо

Variety description

10 August 2026

The variety Asso is a diploid form of Italian ryegrass (Lolium multiflorum subsp. italicum). In agronomic studies, this variety is considered as a forage crop test subject.

The plant belongs to the group of early-maturing varieties, the earliness index is 1, and the heading date occurs approximately on April 27. Studies confirm a high level of energy value and nutrient content in the biomass compared to a number of other varieties.

Sources4
  • Loading…

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.

QZ

terminated no record

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

Parties

Applicant
Istituto Sperimentale per le colture foraggere (IT) 3 Submitted the application to the register
Maintainer
IT - SOCIETA AGRICOLA TARA DI ANDREA GUERRESI AD C.S.S. / LU - ISTITUTO SPERIMENTALE PER LE COLTURE FORAGGERE 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

    № 292622

    Registration
    1 January 1977
    Terminated
    1 January 1997
  • QZ European Union Active

    № 203221

  • FR France Terminated

    № 0090202

    Application
    1 January 1901
    Registration
    1 January 1977
    Terminated
    1 January 1997
  • FR France Terminated

    № 0051681

    Application
    15 December 1975
    Registration
    1 January 1977
    Terminated
    1 January 1997

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

Found an error in the record?

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

Other varieties: Westerwolds Ryegrass

All 279 varieties of species

Pollanum

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

Euro Grass Breeding GmbH & Co. KG, D-59557 Lippstadt

EE FI LU SI UA
10 records

Barspectra

Application submitted

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

Barenbrug Holland BV, 6501 BH Nijmegen

CZ DK EE FR PL SE
10 records

Lemnos

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

Rijksstation Voor Plantenveredeling (BE)

BE DK FI FR LU
7 records

Arnoldo

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

STELLING DIETER

FR
4 records

Artigue

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

GIE GRASS (FR)

FR PT
2 records

Asteroid

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

1 record

Nearby in the species list Allisario, Andes, Andrea, Andy, Antalya, Antalyo, Aramo, Arminius, Arnoldo, Artigue, Asteroid, Astound, Aubade, Avance, Azkarra, Bangor, Baravion, Barbino, Barcimatra, Barcode

Discussion: Asso

0 messages

Growing experience and notes on the entry. Comments are not part of the reference data and are not verified against primary sources.

Comments are open to signed-in readers. Sign in · Sign up