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Hysun 45

Terminated

Helianthus annuus L. Sunflower · Agricultural · bred by Pacific Seeds Pty Ltd

also searched as: хисун 45

Variety description

10 August 2026

The hybrid is often used in experimental work when studying plant response to nitrogen and water nutrition, as well as in the analysis of leaf temperature regime. It is a standard subject for research in the fields of micropropagation, tissue regeneration, and genetic transformation.

In scientific literature, the hybrid is mentioned in the context of trials for resistance to rust Puccinia helianthi and white mold Sclerotinia sclerotiorum. Agronomic descriptors such as height, maturity group, or oil content indicators are not presented in open sources.

Sources6
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Countries of admission

3 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
PACIFIC SEEDS PTY LTD 100 Developed the variety
Applicant
PACIFIC SEEDS PTY LTD 17 Submitted the application to the register
Rights holder
ICI PACIFIC SEEDS 19 Holds the rights to the variety
Maintainer
PACIFIC SEEDS PTY LTD 17 Responsible for variety maintenance

Admission to trade

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

  • QZ European Union Terminated

    № 215897

    Terminated
    7 March 2005
  • ES Spain Active

    № 19910419

    Application
    29 November 1991
    Terminated
    10 February 1994
  • HR Croatia Withdrawn

    № 1000644

    Application
    1 January 1992
  • IT Italy Terminated

    № 003830_A 003830

    Application
    15 January 1992
    Registration
    19 April 1994
    Terminated
    7 March 2005
  • ZA South Africa Withdrawn

    № 93/3141

    Application
    19 August 1993
    Registration
    3 November 1994
    Terminated
    12 October 2005

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

Found an error in the record?

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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

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1 record

Nearby in the species list HYSUN 322 IT HO, Hysun 33, Hysun 34, Hysun 351, Hysun 354, HYSUN 360, HYSUN 371, HYSUN 4143, Hysun 426 HO, Hysun 44, HYSUN 5951, HYSUN232 HO, HYSUN331ITHO, I 101, I 101 A, I 23, I 284, I 6, I.B.H. 166, I278

Discussion: Hysun 45

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