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LG 5638

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

also searched as: лг 5638

Variety description

10 August 2026

The mid-early hybrid reaches a height of about 160 cm. It has a flat, slightly convex head with a diameter of 16–17 cm. The thousand kernel weight is about 65 g, and the oil content reaches 53%.

The plant possesses high drought tolerance, cold hardiness, and lodging resistance. The hybrid is characterized by immunity to broomrape races A–E (and up to A–G) and downy mildew, resistance to white rot, charcoal rot, and dry rot, as well as tolerance to phoma and phomopsis.

It belongs to the classical cultivation type and does not require the use of specific herbicidal protection systems.

Sources3
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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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.

Also known as

breeder code LHA3363/58

A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.

  • LG 5638 primary MD
  • LG5638 IT, QM, QZ, UA

The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.

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. FERME DE L'ETANG , FR 1 Submitted the application to the register
Rights holder
Limagrain Europe 4 836 Holds the rights to the variety
Maintainer
Limagrain Europe 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.

  • QZ European Union Active

    № 216439

    Registration
    1 May 2015
  • IT Italy Active

    № 015297_A 015297

    Application
    5 January 2013
    Registration
    9 April 2015
  • UA Ukraine Terminated

    № 15039024

    Application
    5 November 2015
    Registration
    24 January 2018
    Terminated
    12 September 2025
  • MD Moldova Application submitted

    № 0283920

    Application
    1 February 2016

Plant breeders' rights

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

Ukraine № 15039024
Terminated
  1. Application filed 5 November 2015
  2. Registered 19 February 2018
  3. Entry closed 12 September 2025

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

Found an error in the record?

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

Same species

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Nearby in the species list LG 56.65 M, LG 56.67, LG 56.71 CL, LG 56.80, LG 5605, LG 5624 M, LG 5626 HO, LG 5628, LG 5629, LG 5633 CL, LG 5641, LG 5642, LG 5648 CL, LG 5651, LG 5654 CL, LG 5661CL, LG 5662, LG 5668, LG 5669 CL, LG 5670 M

Discussion: LG 5638

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