Category: Grapes
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Posted on July 23, 2020
Grape Cultivar Developmental Stages: July 23, 2020
Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, as of July 23, Itasca and Frontenac had clusters at shoot development E-L* […]
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Posted on July 21, 2020
Japanese Beetles Increase at West Madison AG Research Station
Japanese beetle adults (Figure 1; JB) are increasing at the West Madison Ag Research Station (WMARS) vineyards while decreasing slightly at my house. I visited […]
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Posted on July 17, 2020
UW-Madison/Extension Plant Disease Diagnostic Clinic (PDDC) Update
The PDDC is now once again accepting physical samples for diagnosis, but due to COVID-19, only with limited hours and limited sample processing capacity. Click […]
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Posted on July 10, 2020
UW-Madison/Extension Plant Disease Diagnostic Clinic (PDDC) Update July 10, 2020
The PDDC is now once again accepting physical samples for diagnosis, but due to COVID-19, only with limited hours and limited sample processing capacity. Click […]
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Posted on July 9, 2020
Grape Cultivar Developmental Stages: July 8, 2020
Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, as of July 8, all cultivars were at shoot development E-L* stages 31 […]
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Posted on
Increase Fruit Quality of Cold Climate Grapes With Cluster-Zone Leaf Removal
Cluster-zone leaf removal is a very effective practice to open up the canopy and increase the exposure of clusters to sunlight and airflow. What are […]
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Posted on
Managing Japanese Beetles in Vineyards
Japanese beetle adults (Figure 1; JB) are out and about, feeding and mating on many different fruits, vegetables, field crops, and ornamentals. Numbers have been […]
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Posted on July 6, 2020
UW-Madison/Extension Plant Disease Diagnostic Clinic (PDDC) Update July 3, 2020
The PDDC is now once again accepting physical samples for diagnosis, but due to COVID-19, only with limited hours and limited sample processing capacity. Click […]
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Posted on June 26, 2020
Grape Cultivar Developmental Stages: June 24, 2020
Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, shoot development as of June 24 ranged between E-L* stage 27 (“Setting, young […]
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Posted on June 25, 2020
Tissue Analysis to Determine Nutrient Status of Cold-Hardy Wine Grapes
In Wisconsin, mature leaf petiole is the most common tissue used to assess the vines nutritional status. There are two recommended timing for petiole sampling: […]