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STR456

Terminated

Helianthus annuus L. Sunflower · Agricultural · bred by Seedtec International Inc (US)

also searched as: стр456

Variety description

10 August 2026

The hybrid is early-maturing with a vegetation period of 105–110 days. The plant reaches a height of 160–170 cm. It is intended for use with the Express technology and is resistant to tribenuron-methyl based herbicides.

The variety possesses high resistance to phomopsis, phoma leaf spot, rust, downy mildew, white rot, and gray rot. It is resistant to seven races of broomrape (A-G). The lodging resistance score is 8 out of 10. The oil content in the seeds reaches 50–52%.

Sources4
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Countries of admission

1 jurisdiction

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.

terminated no record

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Breeder
Seedtec International Inc (US) 32 Developed the variety
Applicant
Corn States International SA (FR) 129 Submitted the application to the register
Rights holder
Corn States International SA (FR) 129 Holds the rights to the variety

Plant breeders' rights

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

France № 12104
Terminated
  1. Application filed 18 January 1993
  2. Registered 26 April 1995
  3. Entry closed 30 January 2003

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

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Nearby in the species list STR 540, STR 550, STR 552, STR 563, STR205, STR209, STR226, STR239, STR255, STR454, STR513, STR517, STR551, STR584, Straik, Strato, Stratus, Strial, Stripy I, Stromboli

Discussion: STR456

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