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P 3978

Terminated

Zea mays L. subsp. mays (Maize Group) Maize · Agricultural · bred by PIONEER HI-BRED INTERNATIONAL

also searched as: п 3978

Variety description

10 August 2026

The hybrid is characterized by early maturity with an 85-day rating and is intended for grain use. In 1984 field experiments, the hybrid was grown at a planting density of about 60,000 plants per hectare.

The parental forms of the hybrid are line P502 as the pollen parent and line P346 as the seed parent. In the scientific literature of the 1980s, the hybrid was used to study the dynamics of pollen shed, silking, grain water status, and yield potential formation.

Sources5
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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.

terminated no record

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

Parties

Breeder
PIONEER HI-BRED INTERNATIONAL INC 28 605 Developed the variety
Applicant
Pioneer Hi-bred International Inc. (USA) Submitted the application to the register
Rights holder
PIONEER HI-BRED INTERNATIONAL INC 46 Holds the rights to the variety
Maintainer
DEKALB IBERICA, S.A. Responsible for variety maintenance

Admission to trade

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

  • HR Croatia Terminated

    № 1004896

    Terminated
    24 September 2008
  • ES Spain Withdrawn

    № 19770387

    Application
    1 February 1977
    Terminated
    31 January 1979

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

Same species

Other varieties: Maize

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Zea mays L. subsp. mays (Maize Group) · Maize

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Zea mays L. subsp. mays (Maize Group) · Maize

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Zea mays L. subsp. mays (Maize Group) · Maize

Limagrain Genetics Grandes Cultures SA (FR)

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P 3965

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

HR
1 record

P 3975 a

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

PIONEER HI-BRED INTERNATIONAL

ES
2 records

P 3981

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

PIONEER HI-BRED INTERNATIONAL

ES
1 record

Nearby in the species list P 3903, P 3906, P 3911, P 3925, P 3949, P 3950, P 3955, P 3958, P 3965, P 3975 a, P 3981, P 40394, P 40404, P 7043, P 7364, P 7378, P 7500, P 7524, P 7883, P 8000

Discussion: P 3978

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