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MS Sirena

Active

Helianthus annuus L. Sunflower · Agricultural · bred by May Agro Seed Industry and Trade Corporation

also searched as: мс сирена

Variety description

10 August 2026

The hybrid belongs to the medium-ripening or medium-early group with a vegetation period from 100 to 120 days. Plant height is 160–170 cm. The head has a convex shape and is oriented downwards.

Oil content in seeds reaches 46–52%. The plant possesses resistance to lodging, downy mildew, phomopsis, peronosporosis, and rust. The hybrid is tolerant to five races of broomrape (A–E).

The variety is distinguished by good adaptability to various soil types, including sandy soils, and high stress tolerance to heat and drought. The hybrid does not tolerate overcrowding well; the recommended seeding density is from 50 to 62 thousand plants per hectare depending on the climatic zone.

Sources8
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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.

QM QZ

active 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
May Agro Seed Industry and Trade Corporation 3 Developed the variety
Applicant
MAY AGRO TOHUMCULUK SAN VE TIC A.S. 112 Submitted the application to the register
Maintainer
MAY AGRO TOHUMCULUK SAN VE TIC A.S. 112 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

    № 216690

    Registration
    23 March 2001
  • BG Bulgaria Active

    № 692/21

    Application
    18 February 2005
    Registration
    18 February 2005
  • RU Russian Federation Active

    № 56229

    Application
    10 February 2011
    Registration
    29 January 2013

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

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Nearby in the species list MS 06, MS 2077A, MS-235P, MS-237E, MS 368 A, MS 43A, MS 639 A, MS 82 A, MS Biser CL, MS Oliva CL, MS001A, MS001B, MS04S, MS12S, МS505A, MSE1101, MSE1102, MSE1103, MSE1104, MSE1105

Discussion: MS Sirena

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