Category: Apples
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Posted on May 23, 2023
Tree Row Volume (TRV) For Thinner Sprays
The response to hormone-based thinners is a function of the amount of product that is deposited on the tree leaves. So, the more product you […]
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Posted on May 18, 2023
Full Bloom and Petal Fall Thinning Options
At this point most orchards in southern Wisconsin have reached petal fall with fruits in the 5 to 10 mm, but orchards in northern locations, […]
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Posted on April 25, 2023
Determining Optimal Fruit Crop Load in Apple Trees
As an apple grower, determining the optimal fruit crop load in your trees is a critical step in achieving high-quality fruit and maximizing yield. Crop […]
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Posted on April 17, 2023
Wisconsin Apple Disease Update – April 18, 2023
Spring certainly seems unresolved in Wisconsin this year. With warmer temperatures felt across much of the central and southern parts of the state, buds on […]
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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 […]