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Royal rosa

Protection expired

Prunus armeniaca L. Apricot · Fruit crops · bred by Floyd Zaiger (US)

also searched as: роял роса

Variety description

10 August 2026

The variety belongs to the very early category; ripening in Central California conditions occurs at the end of May. The tree is distinguished by vigorous growth, reaching a height and width of about 4.5 meters.

The plant is self-fertile and requires about 500 chill hours for fruit production. The variety exhibits increased disease resistance compared to many other apricot varieties.

The fruits are characterized by high taste quality, sweet flavor, delicate aroma, and low acid content.

Sources6
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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.

terminated no record

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

Parties

Breeder
Floyd Zaiger (US) 229 Developed the variety
Applicant
Pepinieres Darnaud SA (FR) 74 Submitted the application to the register
Rights holder
Pepinieres Darnaud SA (FR) 74 Holds the rights to the variety
Maintainer
International Plant Selection (FR) 183 Responsible for variety maintenance

Admission to trade

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

  • FR France Protection expired

    № 0059262

    Application
    13 January 1986
    Registration
    1 January 1988
    Terminated
    31 December 2007

Plant breeders' rights

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

France № 5973
Terminated
  1. Application filed 26 March 1986
  2. Registered 19 April 1990
  3. Entry closed 20 March 1995

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: Apricot

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Prunus armeniaca L. · Apricot

YAMAGUCHI MASAMI|HAJI TAKASHI|YAEGAKI HIDEAKI|SUESADA YUKO|ADACHI EISUKE|MIYAKE MASANORI|KYOTANI HIDETOSHI|NISHIMURA KOICHI|NAKAMURA YURI|SUZUKI KATSUYUKI|KIHARA TAKESHI|KOSONO TERUO|UCHIDA MAKOTO|FUKUDA HIROYUKI

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Prunus armeniaca L. · Apricot

Benoit Escande (FR)

FR
6 records

Royal

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Prunus armeniaca L. · Apricot

ES FR SI
9 records

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Sica Centrex (FR)/Institut National de la Recherche Agronomique (FR)

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4 records

Nearby in the species list ROSSOLELLA, ROUGE 2000, Rouge de Fournes, Rouge de Rivesaltes, Rouge du Roussillon, Rouget de Sernhac, Rougibon, Roxana, ROXBURGH RED, Royal, Royal Roussillon, Royal velvet plum-cot, Rózsakajszi C.1406, Roztocká, Rubely, Rubibop, Rubichic, Rubicup, Rubilis, RUBINI MARIA

Discussion: Royal rosa

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