Fruit & Vegetable Magazine

Features Production Research
A new “Gem” of a pear released


February 3, 2015
By Sharon Durham USDA-ARS

Topics

February 2, 2015, Kearneysville, WV – A new pear cultivar, Gem, was recently released jointly by the U.S. Department of Agriculture (USDA), Oregon State University, Michigan State University and Clemson University.

Gem is ideal for the fresh market, combining high yields with excellent appearance, fruit quality and long storage potential. The new cultivar is resistant to fire blight and isn’t prone to superficial scald that affects some pear varieties.

Horticulturist Richard Bell, at the Agricultural Research Service’s (ARS) Appalachian Fruit Research Station in Kearneysville, West Virginia, and his colleagues describe Gem in the March 2014 issue of HortScience.

Advertisment

Gem requires at least three weeks of cold storage before normal fruit softening, but it will last for at least 28 weeks in cold storage without core breakdown or superficial scald. The fruit can also be eaten immediately after harvest without softening, as it has a crisp, juicy texture. Its flavour is sweet and mildly aromatic. When compared to Bartlett, sensory panelists rated Gem similar in appearance, flavour and purchase intent.

The original seedling tree of Gem was from a cross of Sheldon and US62563-004 made in 1970. Bell selected Gem in 1981 from the seedling orchard at the ARS Henry A. Wallace Beltsville Agricultural Research Center in Beltsville, Maryland.

The source of Gem’s fire blight resistance comes from the cultivar Barseck. Subsequently, Gem was evaluated for fruit quality, fire blight resistance and productivity in replicated trials at the Kearneysville location and at research centers at Washington State University, Oregon State University, Michigan State University, Cornell University and Clemson University.

Gem is recommended as a fresh-market pear for both commercial and home orchards. While budwood of Gem is limited, genetic material of this release will be deposited in the National Plant Germplasm System, where it will be available for research purposes, including development and commercialization of the new cultivar.