Barossa Valley (wine) Barossa Valley is most commonly associated with its signature grape variety of Shiraz, the region does grow a number of grape varieties. Among these other varieties are Riesling, Semillon, Chardonnay, Grenache, Mourvedre and Cabernet Sauvignon. The popularity of Syrah has sparked interest in the development of other Rhone varieties, with increase production of Grenache and Mourvedre (also known as Mataro in Australia) for both blending and varietal bottlings. Many of these vines are remnants of the Barossa's fortified wine history and such have substantial age themselves. Despite its reputation as a red wine region, the Barossa Valley does produce a
Persan (grape) wine region. In 1902, L. Rougier, an ampelographer writing for Pierre Viala and Victor Vermorel's catalog of grape varieties, determined that the two were separate varieties with Étraire de la Dui likely being an offspring of Persan. Over a 100 years later, DNA testing conducted by Swiss geneticist José Vouillamoz "strongly suggested" that there was, indeed, a parent-offspring link between Persan and Étraire de la Dui but in what direction (i.e. who is the parent and who is the offspring) is not yet known. Other varieties that Persan has been confused with over the years include Mondeuse noire, Syrah and