Check out the latest news and articles.
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Grape scouting report: Japanese beetle and grape phylloxera continue to be present
Posted on August 16, 2019The scouting at the West Madison Research Station (WMARS) vineyard occurred on 8/12/19. Grape phylloxera galls continue to be observed on all cultivars, including Brianna, […]
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UW-Madison/Extension Plant Disease Diagnostic Clinic Update
Posted onThe PDDC receives samples of many plant and soil samples from around the state. The following diseases/disorders have been identified at the PDDC from August […]
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Rainfastness characteristics of insecticides
Posted onPrecipitation can impact the performance of insecticides, but some compounds resist wash-off. There are several critical factors that influence impact of precipitation on a pesticide’s […]
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Tissue analysis to determine nutrient status of cold-hardy wine grapes
Posted onIn Wisconsin, mature leaf petiole is the most common tissue used to assess the vines nutritional status. There are two recommended timing for petiole sampling, […]
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New tool for predicting bitter pit in Honeycrisp apples
Posted onPenn State University has developed a new tool for determining bitter pit in Honeycrisp apples. The predictive model is based on two factors: average shoot […]
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Leaf tissue analysis for berry crops- Now is the time
Posted onLeaf tissue analysis is the best indicator of plants’ nutritional status as it measures directly the concentration of nutrients in the plant. Soil test can […]
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Grape variety developmental stages and fruit maturity evaluation: August 16, 2019
Posted onAt the West Madison Agricultural Research Station (WMARS) in Madison, WI, grapevine development has reached E-L* stage 35 (“Berries begin to color and enlarge”). At […]
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UW-Madison/Extension Insect Diagnostic Lab Update
Posted on August 15, 2019The caseload at the UW Insect Diagnostic Lab (IDL) has remained high over the last two weeks. Reports of fruit crop insect activity submitted to […]
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Door County Fruit Crop Pest Report-Aug 13, 2019
Posted onA few large storms blew through this past week, with minor reports of hail. Otherwise, it has been warm and humid. Tart cherry harvest is […]
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Grape scouting report: Japanese beetle and grape phylloxera continue to be present
Posted on August 2, 2019This week, the scouting at the West Madison Research Station (WMARS) vineyard occurred on 7/29/19. Grape phylloxera galls continue to be observed on most cultivars, […]