Author: Dr. Dean Volenberg

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Lightening Damage to Grape Plants

This article is by Dr. Dean Volenberg of the University of Wisconsin’s Door County Extension. It was first published in the Wisconsin Grape Growers Association’s (WGGA) 30th July 2012 Vineyard IPM Scouting Report.  During July,  I had the...

Ozone Damage to Grape Leaves 2

Ozone Damage to Grape Leaves

This article is by Dr. Dean Volenberg of the University of Wisconsin’s Door County Extension. It was first published in the Wisconsin Grape Growers Association’s (WGGA) 30th July 2012 Vineyard IPM Scouting Report.  Ozone contains three oxygen...