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LG5582

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Helianthus annuus L. Sunflower · Agricultural · bred by Remy ROUANET

also searched as: лг5582

Variety description

10 August 2026

The hybrid belongs to the mid-early group with a vegetation period of 106–115 days. Plant height is approximately 155 cm, and the average head diameter is 15.8 cm. Seeds are characterized by large size, the thousand kernel weight is approximately 72 g, and seed oil content reaches 50%. The genetic base includes lines of the Tunka hybrid.

The plant possesses resistance to broomrape races A–G+, new races of downy mildew, as well as high tolerance to drought and cold hardiness. Resistance to phomopsis, phoma, white rot, and other main diseases is rated at 7 points out of 9. Lodging resistance is rated as above average.

Intended for cultivation using classical technology with a sowing density of 45–50 thousand plants/ha under insufficient moisture and up to 55 thousand plants/ha under sufficient moisture. The hybrid is distinguished by high initial growth vigor and is adapted to hot climatic conditions.

Sources8
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Countries of admission

4 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.

QM QZ

active 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
Remy Rouanet 11 Developed the variety
Applicant
LIMAGRAIN EUROPE S.A. Submitted the application to the register
Rights holder
Limagrain Europe 4 836 Holds the rights to the variety
Maintainer
Limagrain Tohum Islah ve Üretim San.Tic.A.s 125 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 Active

    № 216415

    Registration
    16 May 2014
  • TR Turkey Active

    № LG5582

    Registration
    31 March 2015
  • IT Italy Active

    № 014903_A 014903

    Application
    10 January 2012
    Registration
    28 April 2014
  • UA Ukraine Terminated

    № 13039035

    Application
    12 November 2013
    Registration
    5 February 2016
    Terminated
    28 January 2026

Plant breeders' rights

The right is granted for a limited term: propagation of the variety requires a license from the rights holder.

Ukraine № 13039035
Terminated
  1. Application filed 12 November 2013
  2. Registered 31 March 2016
  3. Entry closed 28 January 2026

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

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The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.

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

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Nearby in the species list LG5556HO, LG5562, LG5563 CL, LG5565 CL, LG5566 CL, LG5567HO, LG5568, LG5572, LG5577, LG5581, LG5589 CL, LG5591, LG5595, LG5597 CLP, LG56.64 HO, LG56.97 CL, LG5600, LG5603CL, LG5604HO, LG5607 CL

Discussion: LG5582

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