Syrah and named after Dr. Francois Durif. Durif is a cross breed between the lesser known Peloursin and Syrah. Regions such as Rutherglen have achieved international regard for their Durif. This varietal is similar to Shiraz but is even more full-bodied and tannic because of the smaller, thicker-skinned grapes used. Petite Sirah is widely planted in California, where it is popular as a varietal (for example, by Bogle Vineyards), and especially blended with Zinfandel, which results in a rich, bold and fruity wine. Syrah Syrah (), also known as Shiraz, is a dark-skinned grape variety grown throughout the world and used
Syrah departments of Southern of France, but is now widespread. It is believed to be caused by mismatch between the rootstock and scion rather than an infection by a fungus or a virus. In Spain there was an increase in the area cultivated in Syrah grapes from in 1990 to in 2009. The Syrah grape was introduced into Switzerland in 1926 and in 2009 was the 6th most common red wine grape in Switzerland (181 hectares). Mostly grown in Valais, along the upper Rhône valley above Lake Geneva, it produces "unexpectedly concentrated wine from mature vines". The Syrah grape was introduced