Wisconsin vineyards are now in or approaching one of the most critical disease prevention periods of the entire season, pre-bloom through post-bloom, which spans 2 […]

In our latest videos from the vineyard, Dr. Amaya Atucha discusses shoot thinning high cordon Petite Pearl and Marquette grapevines

Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, shoots from primary buds average around E-L* stage 12 (5 leaves separated; shoots […]

Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, shoots from primary buds average around E-L* stage 7 (First leaf separated from […]

After the cold weather events we had on the 2nd and 3rd week of April, many grape growers in the southern and central part of […]

As we head into the grape growing season in Wisconsin, I want to share information on some newer fungicidal products for disease control. All products […]

Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, buds average around E-L* stage 2 (bud scale opening) on Petite Pearl and […]

Every year we sample berries and track ripening levels by measuring Brix, TA, and ph to determine optimum harvest time. Below are graphs showing the […]

As harvest is underway in Wisconsin vineyards many may be observing (or smelling) some rotted fruits on the vine. This article provides a brief overview […]

Every year we sample berries and track ripening levels by measuring Brix, TA, and ph to determine optimum harvest time. Below are graphs showing the […]