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64A52

Terminated

Helianthus annuus L. Sunflower · Agricultural · bred by E.SCHWARTZ

also searched as: 64а52

Variety description

10 August 2026

The hybrid represents an oilseed sunflower line. In agronomic studies of the early 2000s, it demonstrated high seed yield and oil content metrics under various environmental conditions.

This hybrid has been repeatedly used as a model specimen in experimental work, including studies on the effect of sowing dates on crop productivity and bird damage.

Sources7
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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.

terminated no record

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

Parties

Breeder
E.SCHWARTZ 3 Developed the variety
Applicant
PIONEER HI-BRED INTERNATIONAL INC 46 Submitted the application to the register
Rights holder
PIONEER HI-BRED INTERNATIONAL INC 46 Holds the rights to the variety
Maintainer
Pioneer Hi-Bred International Inc. 46 Responsible for variety maintenance

Admission to trade

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

  • ES Spain Terminated

    № 19960235

    Application
    2 December 1996
    Registration
    22 February 2000
    Terminated
    29 October 2004

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: Sunflower

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MIHSAN Ltd - Sofia (BG)

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3 records

64 PROV.

Terminated

Helianthus annuus L. · Sunflower

NORTHRUP KING

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1 record

65-01

Terminated

Helianthus annuus L. · Sunflower

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

Nearby in the species list 6115 A, 6127 A, 61F32R, 63 G 13, 6388 A, 639 R, 63G13is, 64 A, 64 B, 64 PROV., 65-01, 65342, 654R, 656A, 659R, 669 R, 67, 67K23R, 67X08R, 68Y10R

Discussion: 64A52

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