Pert

Protection expired

Chrysanthemum L. Chrysanthemum · Ornamentals · bred by WILLIAM E DUFFETT

also searched as: перт

Variety description

10 August 2026

The Pert variety is a subject of agronomic research focused on studying the influence of temperature and light conditions on the rate of inflorescence development in greenhouse operations.

In agrotechnical literature, the variety is classified as susceptible to diseases. Specialists note the variety's susceptibility to pathogens affecting chrysanthemums, which is why it is not recommended for mass production.

Sources2

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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.

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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: WILLIAM E. DUFFETT 76 Developed the variety
Applicant: YODER PLANT TRADING GMBH 12 Submitted the application to the register
Rights holder: Yoder Brothers, Inc.|Barberton, OH (U.S. corp.) 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.

United States of America № 06160825

Protection expired

Application filed 18 June 1980
Registered 8 September 1981
Entry closed 18 June 2000

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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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources

Breeder

WILLIAM E DUFFETT All 76 varieties of company

Registry records

Total records: 2
Jurisdictions shown: 1
Not yet disclosed: 1
First registration: 1981

Same species