Today I speak with François de Nicolay from Domaine Chandon de Briailles in Savigny-les-Beaune, Burgundy. The 14 hectare biodynamic domaine started experimenting with spraying with skim milk instead of sulfur against powdery mildew in 2013. Powdery mildew (oidium in French) is a major fungal disease that affects vitis vinifera worldwide by decreasing grape quality and yield.  

Francois talks about how milk works as a preventative and curative measure, as well its advantages and disadvantages.  

@chandon.de.briailles