nosiola is a minor blending component in the white wines of the valdadige doc that spans across the provinces of bolzano and trento and into the veneto wine region province of verona. here nosiola plays a supporting role along with bianchetta trevigiana, trebbiano toscano, vernaccia, sylvaner and veltliner bianco to the pinot blanc, pinot gris, riesling italico, muller-thurgau and chardonnay that makes up the bulk of the wine. nosiola destined for doc wine production are limited to a harvest yield of no greater than 14 tonnes/ha and a minimum alcohol level of 10.5% for the wines.