Category: Grapes
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Posted on September 12, 2024
Understanding and Addressing Uneven Ripening in Grapes
As we approach harvest, many Wisconsin grape growers have reported uneven ripening across clusters and even within individual clusters. This issue, though not uncommon, presents […]
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Posted on
WI Grape Grower Alert: Proposed Cancellation of Mancozeb in Grape Production
Update: The comment period has been extended to October 16. Dear Wisconsin Grape Growers – Many of you are already aware that the EPA is […]
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Vineyard Scouting Report: September 11, 2024
As we are beginning the end of the season, anticipation is in the air. Harvest has begun around Wisconsin for earlier varieties with some nearing […]
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Posted on August 29, 2024
Vineyard Scouting Report: August 28, 2024
Walking out my door this morning, it didn’t feel like I was opening my oven – finally. The heat wave over the last several days […]
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Posted on
Free Fungicide Resistance Testing for Wisconsin Grape Growers
Dear Wisconsin grape growers: Graduate student, Courtney Meeks, is collecting powdery mildew and downy mildew samples for free fungicide resistance testing. If you are observing powdery mildew and/or […]
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Posted on August 26, 2024
Wisconsin Vineyard Update, August 2024 – Late Season Downy Mildew
As we near harvest season, many Wisconsin vineyards are experiencing the effects of a rainy season on fruit clusters. Several commercial growers have reported dealing […]
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Posted on August 16, 2024
Vineyard Scouting Report: August 14, 2024
The start of August was unprecedented—cool mornings and highs in the mid-70’s! It has felt like autumn, and I am not upset. Showers appear to […]
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Posted on August 1, 2024
Vineyard Scouting Report: July 29, 2024
Just like that, it’s almost August! Veraison has set in for Southern Wisconsin vineyards, so the anticipation for harvest is upon us. We cover that […]
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Posted on July 18, 2024
Vineyard Scouting Report: July 17, 2024
A cool front has made its way into Wisconsin. I think we are all sighing with relief and soaking up the cooler temperatures for however […]
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Posted on July 5, 2024
Notes From the Vineyard: Poor Fruit Set
In southern Wisconsin most of the grape cultivars have reach the E-L* stage 31 (Berries pea-size) stage. One thing I have noticed in many wine […]