Skip to content

PR 64A83

Active

Helianthus annuus L. Sunflower · Agricultural · bred by PIONEER HI-BRED INTERNATIONAL

also searched as: пр 64а83

Variety description

10 August 2026

The hybrid is a subject of genetic analysis of commercial sunflower lines. It is mentioned in literature in the context of research projects conducted in 2009–2010.

In the 2011 demonstration planting results report in the Kabardino-Balkarian Republic, the yield was recorded at 41.4 c/ha. Detailed descriptors, such as maturity group, plant height, or disease resistance profile, are absent from open sources.

Sources2
  • 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

application 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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 xf4731

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.

  • PR 64A83 primary BG
  • PR64A83 ES, MD, 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
Pioneer Hi-Bred International Inc. 28 605 Developed the variety
Applicant
Pioneer Semena Bulgaria - Sofia (BG) 2 Submitted the application to the register
Rights holder
Pioneer Hi-Bred International Inc. 46 Holds the rights to the variety
Maintainer
PIONEER HI-BRED SPAIN,S.L 531 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

    № 217349

  • ES Spain Terminated

    № 19970251

    Application
    1 December 1997
    Registration
    22 August 2000
    Terminated
    8 September 2017
  • BG Bulgaria Protection expired

    № 005/68

    Application
    9 October 1998
    Registration
    17 May 2000
  • UA Ukraine Application submitted

    № 00017001

    Application
    2 February 2000
  • MD Moldova Terminated

    № 0280776

    Application
    14 February 2000
    Terminated
    9 January 2017

Plant breeders' rights

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

European Union № 20001978
Terminated
  1. Application filed 18 December 2000
  2. Registered 6 August 2001
  3. Entry closed 11 May 2017

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

PIONEER OVERSEAS CORPORATION US

AT FR HU IT
9 records

PR 64 H45

Application submitted

Helianthus annuus L. · Sunflower

Pioneer Hi-Bred International, INC., US

BG HR IT SK UA
9 records

PR 64G43

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION US

FR IT
5 records

Nearby in the species list PR 63 G 40, PR 63 G 50, PR 63 K 83, PR 6338, PR 63A51, PR 64 A 15, PR 64 A 63, PR 64 A 89, PR 64 G 20, PR 64 H45, PR 64G43, PR 64H51, PR 64H61, PR 64K20, PR 98-27RN, PR ST 28 B, PR351DMROR, PR353DMROR, PR378DMR, PR46G10

Discussion: PR 64A83

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