Category: Grapes
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					Posted on June 19, 2025 
					Black Rot and Downy Mildew Alert: Diagnosis and Management After Recent Rains in Wisconsin Vineyards
Following significant rain across much of Wisconsin in the past couple of weeks—and more in the forecast—grape growers need to be on high alert for […]
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					Posted on June 6, 2025 
					Wisconsin Fruit Crop Scouting Report: June 4, 2025
Hello fruit growers, we are excited to share apple and grape scouting updates with you this year through the Wisconsin Fruit Newsletter. Recent rain events […]
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					Posted on June 5, 2025 
					Managing Phomopsis Cane and Leaf Spot in Wisconsin Vineyards
As the growing season progresses in Wisconsin vineyards, now is a good time to revisit an early-season disease that can have lasting consequences—Phomopsis cane and […]
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					Note to Grape Growers: Unusual Vine Dieback Observed This Spring
I’ve received reports from several growers about unexpected dieback in cold-hardy hybrids like Marquette, St. Pepin, and Prairie Star. In many cases, vines appeared healthy […]
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					Posted on May 8, 2025 
					Wisconsin Fruit Crop Scouting Report: May 7, 2025
Hello fruit growers, we are excited to share apple and grape scouting updates with you this year through the Wisconsin Fruit Newsletter. Weather is warming […]
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					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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					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 […]