TRC11503

Active

Cucurbita maxima Duchesne x Cucurbita moschata Duchesne · Vegetables

also searched as: трк11503

Variety description

10 August 2026

TRC11503 is an interspecific hybrid of Cucurbita maxima and Cucurbita moschata, officially classified as a rootstock for vegetable crops. Unlike varieties grown for fruit production, this hybrid is focused on developing a powerful root system.

The primary purpose of the hybrid is for use as a base for grafting melon, watermelon, and cucumber. It provides increased vigor to grafted plants and their resistance to adverse soil conditions. In official catalogs, this hybrid is included in the rootstock category.

Sources5

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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

active no record

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

Parties

Applicant: The Rootstock Company B.V. (NL) Submitted the application to the register
Maintainer: The Rootstock Company B.V. (NL) Responsible for variety maintenance

Admission to trade

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

HU Hungary Active

№ 428958

Registration

14 August 2018

Registry	Number	Application	Registration	Terminated	Status
HU Hungary	428958	—	14 August 2018	—	Active

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

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