Category: Grapes
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Posted on May 8, 2025
Fertilizing Wine Grapes: Linking Shoot Growth to Petiole Nitrogen
As we approach bloom, now is the time to think about fertilization in your vineyard. Nitrogen, in particular, should be available by bloom to support strong canopy […]
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Posted on April 25, 2025
Wisconsin Fruit Crop Scouting Report: April 25, 2025
Hello fruit growers, we are excited to share fruit scouting updates with you this year through the Wisconsin Fruit Newsletter. This newsletter will cover apple […]
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Posted on April 10, 2025
Fruit Phenology Update April 11, 2025
As the growing season is about to start, I want to provide you with a brief update on where crops stand here in southern Wisconsin […]
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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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Posted on
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 […]