Skip to content

SY Constanza

Active

Helianthus annuus L. Sunflower · Agricultural · bred by PHILIPPE JOUVE

also searched as: си констанза

Variety description

10 August 2026

The hybrid belongs to the mid-late maturity group. The plant possesses resistance to adverse weather factors, including drought and heat, as well as high resistance to lodging.

The variety demonstrates moderate resistance to infection by white rot, Phomopsis, and downy mildew. Tolerance to broomrape is noted. The average oil content in the seeds is 44.9%.

Sources3
  • Loading…

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

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
Philippe Jouve 3 Developed the variety
Applicant
Syngenta Crop Protection AG 10 404 Submitted the application to the register
Maintainer
Syngenta France SAS 1 176 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

    № 217733

  • HR Croatia Active

    № 1003050

    Application
    1 February 2008
  • BG Bulgaria Terminated

    № 2296/89

    Application
    26 February 2008
    Registration
    31 May 2011
  • UA Ukraine Withdrawn

    № 08017100

    Application
    28 November 2008
    Terminated
    24 January 2012
  • RS Serbia Terminated

    № 320-04-960/2009-11

    Application
    5 March 2009
    Registration
    23 March 2011
    Terminated
    10 December 2012

Plant breeders' rights

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

Ukraine № 08017100
Withdrawn
  1. Application filed 28 November 2008
  2. Registered
  3. Entry closed 24 January 2012

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

Other varieties: Sunflower

All 15 159 varieties of species

Helianthus annuus L. · Sunflower

Soper, John

AT BG CZ FR HR HU +2
22 records

Helianthus annuus L. · Sunflower

Revol Benoit

AT FR HR IT RO UA
20 records

MAS 97 A

Active

Helianthus annuus L. · Sunflower

Oliv"ie Ladsus

BG ES FR HR HU IT +1
19 records

Helianthus annuus L. · Sunflower

Syngenta Participations AG| CH

FR IT PT UA
9 records

Helianthus annuus L. · Sunflower

Syngenta Participations AG c/o Syngenta International AG

AT FR PT UA
7 records

Helianthus annuus L. · Sunflower

Syngenta Participations AG

ES RO
6 records

Nearby in the species list SY Casablanca, SY CASPIRA, SY Cassini, SY Celesto, SY Centuri CLP, SY Century CLP, SY Cesario, SY Chelsea CLP, SY Chester, SY Chronos, SY Contact, SY Cooper CLP, SY Corado, SY Corsica AR, SY Dafnis, SY Dali, SY Damasco, SY Dar Vin CLP, SY Darwin CLP, SY Daxton

Discussion: SY Constanza

0 messages

Growing experience and notes on the entry. Comments are not part of the reference data and are not verified against primary sources.

Comments are open to signed-in readers. Sign in · Sign up