Category: Apples
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Posted on April 24, 2025
Optimizing Soil and Fertilization Practices for ‘Honeycrisp’ Apple Orchards in Wisconsin
As we move into the growing season, it’s crucial for apple growers to ensure their ‘Honeycrisp’ orchards are primed for optimal fruit production. Unlike many […]
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Posted on April 21, 2025
Wisconsin Orchard Spring Alert: Apple Scab Risk Rises with Warming Weather—Stay Covered from Green Tip through Tight Cluster
As temperatures climb and buds break across Wisconsin, apple scab management is top of mind. Warmer weather trends are occurring across the state, and the […]
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Posted on April 11, 2025
Apple Scab Management: Starting Strong After a High-Inoculum Year
Wisconsin apple growers are facing the start of the 2025 season with a challenging setup: high levels of Venturia inaequalis (apple scab) infection were reported […]
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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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Understanding and Preventing Southwest Injury (Sunscald) in Young Trees
Southwest injury, also known as sunscald, is a wintertime phenomenon affecting certain deciduous trees, particularly young ones with thin bark. This damage occurs on the southwest […]
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Posted on September 12, 2024
Wisconsin Orchard Disease Update, September 2024: Blister Spot of Apple
I’ve seen several reports of blister spot in apple orchards this season, which aligns with the particularly wet conditions we’ve experienced. The excess moisture creates […]
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Posted on August 1, 2024
Understanding Sunburn in Apples: Causes, Symptoms, and Management
Sunburn in apples is a significant issue for apple growers, leading to considerable economic losses and affecting fruit quality. This condition results from excessive exposure […]
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Posted on June 20, 2024
Notes from the Field: A Grower’s Perspective – Chris McGuire Chat #4
I had my third chat with Chris on June 17… Despite continued rain events, Chris’ orchard has been drying off quickly, allowing them to continue […]
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Posted on
Wisconsin Apple Disease Update – June 21, 2024: Summer Rot Prevention
As we enter early summer in Wisconsin, apple fruit diseases become a critical concern, especially with the recent wet weather conditions. This season’s rain increases […]
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Posted on May 30, 2024
Apple Thinning 18 to 20 mm Options
In southern Wisconsin we are approaching 20 mm fruit size, which means the window for thinning is almost over. For those orchards that still need […]