Jo-Jo

Active

Prunus domestica L. European plum · Fruit crops · bred by Walter Hartmann c/o Universität Hohenheim

also searched as: йо йо

Variety description

10 August 2026

The tree has a compact spherical crown of medium density, reaching a height of 3–5 meters. The variety enters bearing in the 2–3rd year after planting, is self-fertile, and exhibits winter hardiness and drought tolerance.

The fruits are oval-elongated in shape, weigh 40–60 g, and are covered with dark purple skin with an intense waxy bloom. The flesh is amber-green, firm and juicy; the stone separates from the flesh well.

A key feature of the variety is absolute genetic resistance to Plum Pox Virus (Sharka) due to a hypersensitivity mechanism, as well as high resistance to a number of fungal diseases.

Sources7

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Countries of admission

6 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

active terminated no record

Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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 Jojo

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.

Jo-Jo primary QZ
Jojo CH, CZ, GB, HU, PL, QZ, SI, SK

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: Walter Hartmann c/o Universität Hohenheim Developed the variety
Applicant: Universitat Hohenheim Institut fur Obst-, Gemuse und Weinbau, DE 5 Submitted the application to the register
Rights holder: Universität Hohenheim 13 Holds the rights to the variety
Maintainer: Schmauder & Partner AG 137 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

№ 318190

Registration

23 March 2012
CZ Czechia Protection expired

№ 5964

Application

7 December 2000

Registration

10 February 2005

Terminated

10 February 2020
SK Slovak Republic Active

№ 201R163

Application

11 June 2001

Registration

12 April 2005
PL Poland Withdrawn

№ R S754

Application

31 December 2001

Terminated

19 June 2006

Registry	Number	Application	Registration	Terminated	Status
HU Hungary	318190	—	23 March 2012	—	Active
CZ Czechia	5964	7 December 2000	10 February 2005	10 February 2020	Protection expired
SK Slovak Republic	201R163	11 June 2001	12 April 2005	—	Active
PL Poland	R S754	31 December 2001	—	19 June 2006	Withdrawn

Plant breeders' rights

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

European Union № 19991807

Active

Application filed 31 December 1999
Registered 17 May 2004
Currently active indefinite in the register

More 7 records protections in other jurisdictions are shown on the map above.

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

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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources

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