Check out the latest news and articles.
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Fungicide Resistance in Grapevine Powdery Mildew—Free Testing Service
Posted on September 12, 2019MSU is still collecting grape powdery mildew samples. This post appeared in July 2019. Powdery mildew in grapes (caused by the fungus Erysiphe necator) can reduce […]
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PARS Vineyard Scouting Report
Posted onAt the Peninsular Agricultural Research Station (PARS), grapevine development has reached E-L stage 36 ( “Berries with intermediate sugar values”). All the varieties are colored […]
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Grape Scouting Report: Not much to report but be on the lookout for multicolored Asian lady beetles and wasps
Posted onScouting at the West Madison Research Station (WMARS) vineyard occurred on 9/10/19 and there was no insect to report. No insecticide was applied on the […]
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UW-Madison/Extension Insect Diagnostic Lab Update
Posted onFruit insect cases have decreased at the UW Insect Diagnostic Lab (IDL) over the last two weeks with the cooler temperatures. Reports of fruit crop […]
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Grape Variety Fruit Maturity Evaluation – September 11, 2019
Posted on September 11, 2019The charts below present fruit quality data Brix and TA from berries sampled from the West Madison Agricultural Research Station (WMARS) in Madison, WI, as […]
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Door County Fruit Crop Pest Report, September 9, 2019
Posted on September 10, 2019As we approach harvest, make sure to double check the preharvest interval for any product you might use! Insect and Disease Control Apple Disease Pressure – […]
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Grape Variety Fruit Maturity Evaluation – September 4, 2019
Posted on September 4, 2019The charts below present fruit quality data Brix and TA from berries sampled from the West Madison Agricultural Research Station (WMARS) in Madison, WI, as […]
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Grape scouting report: Not much to report!
Posted on August 30, 2019Scouting at the West Madison Research Station (WMARS) vineyard occurred on 8/26/19 which was a chilly and rainy day. Likely due to the weather, we […]
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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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Grape variety developmental stages and fruit maturity evaluation: August 29, 2019
Posted onAt the West Madison Agricultural Research Station (WMARS) in Madison, WI, grapevine development has reached E-L* stage 36 (“Berries with intermediate sugar values”). Currently, vines […]