Opal (apple)

Opal® is the brand name for a cultivar of apple also known as 'UEB32642', produced by crossing 'Golden Delicious' with 'Topaz'.^[1] Developed by the Institute of Experimental Botany in Prague and FruitSelect in 1999,^[2] it is grown by FirstFruits Farms LLC in Washington and marketed by FirstFruits Marketing.^[3]^[4]^[5] It is also cultivated in Austria, the Netherlands, France^[6] and the United Kingdom. Opal is a variety registered with the Community Plant Variety Office of the European Union.^[7]

This variety of apple is naturally low in polyphenol oxidase making it resistant to browning and is often sold pre-sliced.^[8]

References

^ "www.opal-apple.com". Retrieved 12 May 2016.
^ "OPAL Information" (PDF). Institute of Experimental Botany. Retrieved 20 December 2012.
^ "Opal® Brand Apple Makes a Difference with Katie's Krops". Yakima, WA: Haggen. January 11, 2012. Retrieved 20 December 2012.
^ "Apple growers marketing tasty new varieties". WCF Courier. October 20, 2010. Retrieved 20 December 2012.
^ "US: Popularity of Opal apple continues to grow". The Global Fruit. Nov 2012. Archived from the original on June 26, 2013. Retrieved 20 December 2012.
^ Brown, S.K.; Maloney, K. E. (Fall 2009). "Making Sense of New Apple Varieties, Trademarks and Clubs: Current Status" (PDF). New York Fruit Quarterly. 17 (3). Geneva, NY: Department of Horticultural Sciences, Cornell University: 11. Archived from the original (PDF) on 2016-03-04. Retrieved 2012-12-20.
^ "Certificate on the grant of Community Plant Variety Rights" (PDF). Institute of Experimental Botany. Retrieved 20 December 2012.
^ Thompson, Amy (2 January 2017). "Shhhh. The "Gene Silenced" Apple Is Coming". Mother Jones. Retrieved 3 January 2018.

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