PX 65

Terminated

Zea mays L. subsp. mays (Maize Group) Maize · Agricultural · bred by NORTHRUP KING

also searched as: пкс 65

Variety description

10 August 2026

The corn hybrid PX 65 appeared in crop trial reports in the USA in the 1970s, specifically in the 1977 Corn Performance Trials program in South Dakota.

In reports from those years, the hybrid is mentioned in the context of grain moisture evaluation at harvest. Detailed data on maturity group, plant height, disease resistance, lodging, or product quality characteristics are absent from the publications.

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

Parties

Breeder: NORTHRUP KING 113 Developed the variety
Applicant: SYNGENTA SEEDS A.G. 311 Submitted the application to the register
Rights holder: SYNGENTA SEEDS A.G. 311 Holds the rights to the variety

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

ES Spain Terminated

№ 19820055

Application

28 January 1982

Registration

1 January 1984

Terminated

1 January 1984

Registry	Number	Application	Registration	Terminated	Status
ES Spain	19820055	28 January 1982	1 January 1984	1 January 1984	Terminated

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

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Breeder

NORTHRUP KING All 113 varieties of company

Registry records

Total records: 1
Jurisdictions shown: 1
First registration: 1984

Same species