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N4 (-) 5

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Persea americana Mill. Avocado · Fruit crops · bred by SOUTH COAST RESEARCH AND EXTENSION CENTER

also searched as: н4 5

Variety description

10 August 2026

The average tree height of this breeding number is about 4.8 meters. The plant is characterized by an open and spreading crown structure.

Fruit shape depends on climatic conditions: in the cool climate of Southern California, they acquire more rounded outlines, whereas in hot regions, such as the San Joaquin Valley, the fruits become more elongated.

This number is part of the avocado scientific collection maintained by the University of California at Riverside and is used for breeding work, including the search for traits of resistance to root rot caused by Phytophthora cinnamomi.

Sources2
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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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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 n4(-)5

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.

  • N4 (-) 5 primary AR
  • N4(-)5 QZ

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
SOUTH COAST RESEARCH AND EXTENSION CENTER 5 Developed the variety
Applicant
THE REGENTS THE UNIV.CALIFORNI Submitted the application to the register
Rights holder
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA 301 Holds the rights to the variety

Plant breeders' rights

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

European Union № 20030804
Active
  1. Application filed 5 May 2003
  2. Registered 7 November 2016
  3. Currently active indefinite in the register

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

Found an error in the record?

The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.

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: Avocado

All 27 varieties of species

Persea americana Mill. · Avocado

Vega Carlos / Mendez

10 records

Persea americana Mill. · Avocado

MARTIN, Gray E. BERGH, Berthold O.

7 records

3-2-95

Active

Persea americana Mill. · Avocado

The Regents of the University of California

7 records

MERENSKY 5

Application submitted

Persea americana Mill. · Avocado

Sylvie Kremer-Kohne^^^Zelda van Rooyen^^^Stefan Kohne^^^Duncan Smith

1 record

MERENSKY 6

Application submitted

Persea americana Mill. · Avocado

Zelda van Rooyen^^^Sylvie Kremer-Kohne

2 records

Persea americana Mill. · Avocado

Martin, Gray E.|Moreno Valley, CA / Bergh, Berthold O.|Riverside, CA

5 records

Nearby in the species list ICIA 4, Julian, K BEDERSKI 1, KB1, Lamb/Hass, Maluma, Mendez No. 1, Merensky 2, MERENSKY 5, MERENSKY 6, Sir Prize, SR 79, SR1, Steddom, Tami, UC 3-29-5, UC N45, Uzi, VM10, Zentmyer

Discussion: N4 (-) 5

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