Tag: Leslie Holland
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Posted on August 19, 2021
Apple Summer Rots and Sooty Blotch & Flyspeck
As the apple harvest season is upon us in Wisconsin, apple fruit diseases may become more apparent and their impacts on fruit quality and yield […]
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Posted on August 12, 2021
Cranberry False Blossom Update and Leaf Spot Diseases
Research has been under way during 2021 to understand false blossom and its spread, considering both the disease itself and the vector. The Wisconsin Cranberry […]
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Posted on July 22, 2021
Fire Blight Management in High Density Orchards
*The following information was presented at the 2021 Wisconsin Apple Field Day. Fire blight is the most important bacterial disease of apple. When warm and […]
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Disease Alert For Strawberries
Recently, the UW Plant Disease Diagnostic Clinic and the UW Fruit Crops Pathology lab confirmed the presence of Neopestalotiopsis sp. associated with diseased strawberry crown […]
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Posted on July 8, 2021
Update: Reduced Risk, OMRI, and Bio-Fungicides for Grape and Tree Fruit Disease Control
There is growing interest in new chemistries that are reduced risk or certified organic in fruit crop production in Wisconsin. Several newly registered products are […]
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Posted on June 29, 2021
Progress on the 2021 Pesticide Screening Program
Allison Jonjak, Christelle Guédot, Jed Colquhoun, and Leslie Holland As disease treatment windows close and we start counting insect number, continue degree day accumulation, and […]
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Posted on June 22, 2021
Grape Scouting Report: Mildews, Rots, and Spots
Symptoms of grape diseases have shown up in the vineyards at the West Madison Agricultural Research Station (WMARS). Due to the recent drought conditions, disease […]
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Posted on May 27, 2021
Fungal Foliar Diseases of Strawberry
Whether you grow June-bearing, everbearing, or day-neutral strawberries, you will likely encounter at least one fungal foliar disease. These diseases first appear before fruits develop […]
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Posted on May 13, 2021
Grape Disease Management – Early Season
We saw reports of bud burst and 1- to 3-inch shoots this past week in Wisconsin. Critical fungicide application timing is now for several grape […]
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Tank Mixing 101
The following information is a brief summary of a presentation given by Jason Deveau (“Spray Guy”) on May 5, 2021 for the Cold Climate Grape […]