Category: Apples
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Posted on October 6, 2022
Apple Blotch Disease in Wisconsin Apple Orchards
During this year’s harvest season, I’ve received several phone calls and e-mails about trees showing premature defoliation and foliar disease symptoms. Upon further discussion with […]
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Posted on September 15, 2022
Have You Seen Lipstick Rust in Your Apple Tree or Orchard?
Lipstick Rust is a newly reported fungal disease of apple in Wisconsin. It was first found in Wisconsin in 2021 and has been identified in […]
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Posted on July 14, 2022
Newly Registered and Organic Fungicides for Apple
*Mention of a product is not an endorsement. This article is not a substitute for the product label, follow the directions on the fungicide label. […]
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Managing Apple Powdery Mildew
It’s July in Wisconsin, which means the humidity is up and if you have a history of powdery mildew in your orchard you may be […]
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Posted on June 30, 2022
Apple Tree Nutrition: Bitter Pit Control
Over the last couple of years new research on bitter pit has shed light on this very complex issue. We used to think of bitter […]
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Posted on May 18, 2022
Promoting Flower Bud Formation in Honeycrisp—the Time Is Now
Honeycrisp starts flower formation really early in the season and by the time fruits are 30 to 36 mm in diameter, which corresponds to about […]
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Posted on April 7, 2022
Growing Organic Apples in a High Tunnel
We raise organic apples and berries on our farm in Lafayette County, southwest Wisconsin. In the past ten years we have transitioned our farm from […]
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Bloom Thinning Recommendation for Apple Orchards
This article is a summary of the Bloom Thinning Webinar which can find here The 2022 growing season is right around the corner, and in […]
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Posted on January 31, 2022
Winter Sanitation for Disease Prevention in the Apple Orchard
It’s that time of year again! While your trees are dormant this winter, it’s a great time to continue disease prevention practices in your apple […]
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Posted on December 1, 2021
UW-Madison/Extension Plant Disease Diagnostic Clinic (PDDC) Update November 26, 2021
In 2021, the PDDC continues with limited hours and limited sample processing capacity due to COVID-19. Click here for the PDDC’s current submission policy. The […]