Tontu

Active

Prunus avium (L.) L. Sweet cherry · Fruit crops · bred by Kalju Kask 100%

also searched as: тонту

Variety description

10 August 2026

The tree forms a dense, vertically directed crown. The fruits are characterized by a large size, with their weight averaging from 4.1 to 5.3 g. The color of the skin and flesh is dark red or black-red, the stone separates easily.

The variety is self-sterile and requires the presence of pollinators such as «Dönisseni kollane», «Arthur» or «Madissoni roosa». At the same time, it can act as a pollinator for other varieties. The fruits are suitable for fresh consumption, processing, and freezing.

Sources4

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Countries of admission

2 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.

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

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

Parties

Breeder: Kalju Kask 100% 24 Developed the variety
Applicant: Estonian University of Life Sciences/ Institute of Agricultural and Environmental Sciences/ Polli Horticultural Research Centre 266 Submitted the application to the register
Maintainer: Estonian University of Life Sciences/ Institute of Agricultural and Environmental Sciences/ Polli Horticultural Research Centre 266 Responsible for variety maintenance

Admission to trade

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

EE Estonia Active

№ 1190

Application

30 March 2004

Registration

1 January 2017

Registry	Number	Application	Registration	Terminated	Status
EE Estonia	1190	30 March 2004	1 January 2017	—	Active

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

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Breeder

Kalju Kask 100%

breeder code nr 22-1

All 24 varieties of company

Registry records

Total records: 4
Jurisdictions shown: 2
First registration: 2009

Same species