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US Plant Patent PP18114

Sunectwentyone

Nectarine tree named ‘Sunectwentyone’

PUBLIC DOMAIN

Patent expired March 6, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on January 10, 2026. This patent earned 55 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18114, the photograph of Sunectwentyone printed in the patent.
Figure 1 from US Plant Patent PP18114, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP18114
Filed
January 10, 2006
Granted
October 9, 2007
Expires
March 6, 2026
Assignee
SUN WORLD INT LLC
Inventor
CAIN DAVID W; BACON TERRY A

Abstract

A new and distinct nectarine tree variety, prunus persica var. ‘Sunectwentyone’ that possesses a relatively low chilling requirement of 250 hours at or below 7.2° C.; heavy production of relatively large (66 mm), very firm fruit that can be harvested about May 8-15 in Kern County, Calif., (about 4 days after ‘April Glo’ nectarine (U.S. Plant Pat. No. 7305)). The nectarine fruit is bright red with bright yellow flesh that is moderately juicy, very firm, and tart-sweet with 12 brix. The plant has a relatively low tendency for split-pits, russeting, and thrips damage.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A new and distinct nectarine tree as herein described and illustrated.

Read the full patent: US Plant Patent PP18114 in full — the complete specification, every figure, and the file history.