Correction to note: The titratable acidity value for Frontenac from September 1 was corrected from 9.6 to 19.9 g/L tartaric acid equivalence in Table 1 […]

Last week, as we were making progress towards a potentially great grape harvest at the West Madison Ag Research Station (WMARS), we got over 3 […]

The PDDC is now once again accepting physical samples for diagnosis, but due to COVID-19, only with limited hours and limited sample processing capacity.  Click […]

The PDDC is now once again accepting physical samples for diagnosis, but due to COVID-19, only with limited hours and limited sample processing capacity.  Click […]

Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, as of September 1, all cultivars continue to be in various stages of […]

As we are approaching harvest, there are a number of insects that you should prepare for as they can become problematic at harvest. These include […]

The PDDC is now once again accepting physical samples for diagnosis, but due to COVID-19, only with limited hours and limited sample processing capacity.  Click […]

Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, as of August  19, all cultivars are in various stages of fruit ripening, […]

Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, as of August 5, all cultivars, except Petite Pearl, have reached veraison, shoot […]

As you may expect, Japanese beetle adults (Figure 1; JB) continue to be present at the West Madison Ag Research Station (WMARS) vineyards. So far […]