Yorkshire Liquorice sweet was first created by George Dunhill from Pontefract, who in the 1760s thought to mix the liquorice plant with sugar. Yorkshire and in particular the city of York played a prominent role in the confectionery industry, with chocolate factories owned by companies such as Rowntree's, Terry's and Thorntons inventing many of Britain's most popular sweets. Another traditional Yorkshire food is pikelets, which are similar to crumpets but much thinner. The Rhubarb Triangle is a location within Yorkshire which supplies most of the rhubarb to locals. In recent years curries have become popular in the county, largely due to
International Union for the Protection of New Varieties of Plants that UPOV's focus on patents for plant varieties hurts farmers, in that it does not allow them to use saved seed or that of protected varieties. Countries with strong farmers' rights, such as India, cannot comply to all aspects of UPOV. François Meienberg is of this opinion, and writes that the UPOV system has disadvantages, especially for developing countries, and that "at some point, protection starts to thwart development". On the other hand, Rolf Jördens argues that plant variety protection is necessary. He believes that by joining UPOV, developing countries will have more access to new and improved varieties (better