THC Science

opal® is the brand name for apple cultivar 'UEB 32642'. The variety originates from a natural crossing of 'Golden Delicious' with 'Topaz'.^[1]

Developed by the Institute of Experimental Botany in Prague,^[2] it is grown by FirstFruits Farms LLC in Washington and marketed by FirstFruits Marketing.^[3]^[4]

It is also cultivated in Austria, Italy, Spain, Germany, Slovenia, France^[5] and the United Kingdom. 'UEB 32642' is a variety registered at the Community Plant Variety Office of the European Union^[6] under EU N°: 16749.

This variety of apple is naturally low in polyphenol oxidase and is often sold pre-sliced.

References[edit]

^ "www.opal-apple.com". Retrieved 13 April 2022.
^ "OPAL Information" (PDF). Institute of Experimental Botany. 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.