Tag: Apples
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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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PARS Phenology Report June 29, 2022
Zestar is at about 30mm. Cortland and Honeycrisp are both at about 20mm with good fruit set. Marquette is at post bloom and approaching buckshot. […]
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Posted on June 28, 2022
Mating Disruption in Apple
Mating disruption (MD): pheromone-based tool where dispensers of artificial sex pheromones from (usually) females are placed in orchard and reduces the probability of males finding […]
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Posted on June 16, 2022
PARS Phenology Report June 14, 2022
Zestar is approaching 12mm. Honeycrisp and Cortland are around 10mm. Marquette and Itasca are between 10-14” of growth. Montmorency are out of the shuck and […]
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Posted on June 10, 2022
UW-Madison/Extension Plant Disease Diagnostic Clinic (PDDC) Update June 10, 2022
In 2022, the PDDC continues to provide diagnoses through examination of digital photographs, as well as physical samples. Click here for the PDDC’s current submission […]
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Posted on June 2, 2022
PARS Phenology Report June 2, 2022
Marquette and Itasca grapes are both at about 3-5” of growth. Zestar is entering post bloom while McIntosh, Honeycrisp, and Cortland are all just exiting […]
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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 May 17, 2022
PARS Phenology Report May 17, 2022
Grapes: Both Marquette and Itasca grapes at the station are between late bud swell and bud burst. Apples: Zestar is at late pink approaching king […]
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Posted on May 5, 2022
Fire Blight and the Season Ahead
After a challenging season last year with increased reports of fire blight, many growers are concerned looking at the season ahead. Wisconsin experienced varied weather […]
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Posted on April 11, 2022
UW-Madison/Extension Plant Disease Diagnostic Clinic (PDDC) Update April 8, 2022
In 2022, the PDDC continues to provide diagnoses through examination of digital photographs, as well as physical samples. Click here for the PDDC’s current submission […]