Starshine F1

Terminated

Zea mays L. subsp. mays (Sweet Corn Group) Sweet corn · Agricultural · bred by Steve Grin

also searched as: старшине ф1

Variety description

10 August 2026

The early-maturing corn hybrid has a vegetation period of about 71 days. The plant reaches a height of 210 cm. The ear has a length of 20–22 cm and a diameter of 5.0–5.3 cm, containing 14–16 rows of yellow kernels with a depth of 12–13 mm.

The hybrid possesses high resistance to rust and moderate resistance to southern corn leaf blight. The crop is characterized by plasticity, adapted to early sowing dates, drought conditions, and cultivation without irrigation in open field and protected cultivation. Intended for processing and fresh market sale.

Sources7

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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.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY

terminated no record

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

Parties

Breeder: Steve Grin 4 Developed the variety
Applicant: Syngenta Seeds B. V. Submitted the application to the register
Rights holder: Syngenta Seeds B. V. Holds the rights to the variety

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

UA Ukraine Terminated

№ 10032003

Application

18 November 2010

Registration

4 March 2014

Terminated

12 September 2025

Registry	Number	Application	Registration	Terminated	Status
UA Ukraine	10032003	18 November 2010	4 March 2014	12 September 2025	Terminated

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

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Breeder

Steve Grin

breeder code IC650

All 4 varieties of company

Registry records

Total records: 1
Jurisdictions shown: 1
First registration: 2014

Same species