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Ar501

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Epichloe coenophiala (Morgan-Jones & W. Gams) C.W. Bacon & Schardl · Agricultural · bred by AGRESEARCH

also searched as: ар501

Variety description

10 August 2026

The Ar501 strain, belonging to the FaTG-3 group, was discovered in wild tall fescue in Spain. It is used to improve the qualities of pasture grasses by providing protection against pests and abiotic stresses.

A distinctive feature of the strain is the absence of ergoalkaloid synthesis, which causes toxicosis in animals. Instead, the endophyte produces peramine and lolines, which provide protection against insect pests without adversely affecting livestock health.

The endophyte is transmitted vertically through the seeds of the host plant, with transmission efficiency increasing under lower temperature conditions. The presence of Ar501 in plant tissues contributes to increased plant survival and pasture longevity.

Sources8
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Countries of admission

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.

QZ

no record

Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.

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

Parties

Breeder
AGRESEARCH LIMITED 114 Developed the variety
Applicant
Grasslanz Technology Ltd. 167 Submitted the application to the register
Rights holder
Grasslanz Technology Ltd. 167 Holds the rights to the variety

Plant breeders' rights

The right is granted for a limited term: propagation of the variety requires a license from the rights holder.

New Zealand № FEN002
Protection expired
  1. Application filed 29 August 1994
  2. Registered 23 April 1996
  3. Entry closed 23 April 2016

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

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Same species

Other varieties: Epichloe coenophiala (Morgan-Jones & W. Gams) C.W. Bacon & Schardl

All 2 varieties of species

AR604

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Epichloe coenophiala (Morgan-Jones & W. Gams) C.W. Bacon & Schardl

Grasslanz Technology

3 records

Nearby in the species list AR604

Discussion: Ar501

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