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Porosuke

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Castanea crenata Siebold & Zucc. Japanese chestnut · Fruit crops · bred by Toshihiro Saito^^^Norio Takada^^^Yutaka Sawamura^^^Sougo Nishio^^^Toshio Hirabayashi^^^Akihiko Sato^^^Hidenori Kato^^^Noriyuki Onoue^^^Makoto Uchida

also searched as: поросуке

Variety description

10 August 2026

The variety has a complex genealogy, including the crossing of Kunimi, Moriwase, Kairyoutoyotama and Tanzawa forms. The ease of peeling the skin, which adheres tightly in most Japanese chestnut species, is due to the presence of a recessive gene.

The variety is intended for the production of fruits with improved consumer qualities and is characterized as early-maturing.

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.

QZ

no record

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

Plant breeders' rights

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

European Union № 20180542
Withdrawn
  1. Application filed 16 February 2018
  2. Registered
  3. Entry closed 29 March 2019

More 1 record 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

Same species

Other varieties: Japanese chestnut

All 2 varieties of species

Porotan

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Castanea crenata Siebold & Zucc. · Japanese chestnut

Toshio Hirabayashi^^^Kazuo Kotobuki^^^Toshihiro Saito^^^Yutaka Sawamura^^^OSAMU TERAI^^^MORIYUKI SHODA^^^Kazuyuki Abe^^^YOSHIHIKO SATO^^^Norio Takada^^^Akihiko Sato^^^TOYOHIDE NISHIBATA^^^YOSHIKI KASHIMURA^^^Katsuyuki Suzuki^^^TAKESHI KIHARA^^^Makoto Uchi

3 records

Nearby in the species list Porotan

Discussion: Porosuke

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