All posts filed under: Botrytis cinerea

Wine 123: Causation and Detection of Wine Defects Offered at Santa Rosa JC

I’ll be teaching Wine 123: Causation and Detection of Wine Defects at Santa Rosa JC next semester (Spring 2020). Check out our video courtesy of the Distance Learning department’s Emily Hansen –

Climate change a double-edged sword for Amarone producers

This year the Consorzio Tutela Vini Valpolicella marks its 50th anniversary, a milestone that coincides with the release of the challenged 2014 Amarone della Valpolicella vintage one that allowed the top performing wines presented during the anteprima tastings to stand apart. Due to wet conditions that delayed ripening and diluted fruit concentration, the consorzio wisely moved to reduce the 2014 production of Amarone by approximately half.  As a result, there were 50 percent fewer wines presented at the anteprima in January when 43 wines were poured at the blind tasting in comparison to 83 in 2017. My list of the wines that scored 89 points or greater can be found below. While vintage conditions in Valpolicella have become increasingly variable, according to University of Verona Professor Maurizio Ugliano climate change is actually working to hasten the drying process that is so critical to the production of Amarone. Regulations stipulate that producers are allowed to cool the air in the fruttai or drying rooms using fans but they cannot artificially heat it.  As such, warmer conditions …

Aszú revolution: Modern styles redefine Hungary’s historic elixir

From grapes desiccated by noble rot in the Tokaj wine region of Hungary burst forth a plethora of traditional and modern wine styles. Rarest among them is the world’s sweetest and most complex grape elixir, Eszencia: a honey-like nectar once reserved for royalty that’s been coveted for centuries. The long history of wine made from aszú fruit (originally meaning “dried grapes,” the term has evolved to include grapes with high sugar levels affected with noble rot, or Botrytis cinerea) in Hungary dates to the mid-16th century. By the year 1737, a three-tier classification system of the Tokaji vineyards was in place—notably predating the sweet wine classification of Port by several decades and Sauternes by more than a century. Sweet and aszú Tokaji wine styles rely on clean fruit, botrysized bunches, or individual aszú berries. The latter are picked in multiple passes through the vineyard and then worked into to a paste or dough; varying amounts of this material are then macerated in fermenting must or wine. The two main grape varieties allowed are Furmint and …