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Almond tree named ‘Kester’

a technology of almond tree and kester, which is applied in the field of almond tree breeding programs, can solve the problems of a dramatic decrease in the new planting of this cultivar, and achieve the effect of low potential for non-infectious and high yield of ‘nonpareil

Active Publication Date: 2016-11-15
RGT UNIV OF CALIFORNIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent is about a new type of almond tree called "Kester." This tree was developed by a crossbreeding process with another almond tree called "Nonpareil." In tests, "Kester" has shown low likelihood of dying from certain diseases and has produced high yields of "Nonpareil"-type nuts, which mature after "Nonpareil." This makes it a great addition to almond production systems.

Problems solved by technology

However, the increasing incidence of the genetic disorder Noninfectious Bud Failure in the ‘Carmel’ variety has resulted in a dramatic decrease in new plantings of this cultivar and prompted the search for new pollenizer varieties having good kernel quality, productivity, and good overlap with the later ‘Nonpareil’ bloom.

Method used

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  • Almond tree named ‘Kester’
  • Almond tree named ‘Kester’
  • Almond tree named ‘Kester’

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Embodiment Construction

[0013]The original almond seedling population from which almond variety ‘Kester’ was selected was produced by routine crosses made during or prior to Year 1 between ‘Tardy-Nonpareil’, a late blooming mutation of ‘Nonpareil’, as the seed (female) parent and ‘Arbuckle’ as the pollen (male) parent. The crosses were made as part of the Calif. Expt. Stat. Proj. 739-Almond Breeding Project.

[0014]‘Kester’, which was evaluated under the individual seedling designation number ‘2-19E’, was selected in Year 11 based on its desirable kernel and bloom qualities and was propagated in replicated trials in Field 7 near Winters, Calif. for further evaluation under Project POM-5884-H: Genetic Improvement of Peach and Almond. Based on its promising characteristics, selection ‘2-19E’ was submitted in Year 14 for inclusion into the Foundation Block where it was designated by the Accession Number 03-059-01-91. In Year 15, selection ‘2-19E’ was included in the Regional Variety Trials and grown under semi-...

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Abstract

A new almond variety (Prunus dulcis) designated as ‘Kester’ is provided that is well-suited for serving as a pollenizer of the widely-grown ‘Nonpareil’ variety. ‘Kester’ is cross-compatible with ‘Nonpareil’ and has good bloom overlap with this variety, making ‘Kester’ highly complementary to ‘Nonpareil’ in production systems. ‘Kester’ has demonstrated low potential for Noninfectious Bud Failure and other serious afflictions of almond. Further, ‘Kester’ displays desirable tree and nut qualities, along with exceptional yields.

Description

[0001]Latin name: Botanical / commercial classification: Prunus dulcis new almond cultivar.[0002]Varietal denomination: The varietal denomination of the claimed almond variety is ‘Kester’.BACKGROUND OF THE INVENTION[0003]A major objective of almond breeding programs is the development of new varieties capable of acting as a pollenizer variety. In particular, there is a need for the development of new varieties capable of acting as a pollenizer variety for the California almond variety ‘Nonpareil’ (non-patented in the United States). Because of its high market quality, ‘Nonpareil’ has become the leading California almond variety, presently occupying approximately 40% of total almond acreage.[0004]‘Nonpareil’, like most commercial almond varieties, is self-sterile and requires pollen from cross-compatible varieties for successful seed set. California almond variety ‘Winters’ (U.S. Plant Pat. No. 13,286) was released in 2002 as an early-Nonpareil bloom pollenizer to complement well-estab...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A01H5/08
CPCA01H5/08A01H6/54
Inventor GRADZIEL, THOMASVIVEROS, MARIOKESTER, DALE
Owner RGT UNIV OF CALIFORNIA
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