Bill Johnson

Professor of Weed Science

2 articles by this author

Article List

A special project group of the North Central Integrated Pest Management (IPM) Center wants to learn about your concerns and experiences with herbicide drift. The group is surveying growers of fruits, vegetables, and other specialty crops in the upper Midwest. To truly understand the frequency, severity, and economic impact of herbicide drift on specialty crops,…Read more about Grower Survey to Assess Herbicide Drift Damage in the North Central U.S.[Read More]


Dicamba has been in the headlines the last two weeks.  In case you’ve missed it, here are the highlights: On June 3 the United States Court of Appeals for the Ninth Circuit ruled against the Environmental Protection Agency and its 2018 registration of over-the-top dicamba products Xtend, Engenia, and FeXapan and vacated their registrations. The…Read more about Dicamba Herbicide Updates and New Resources[Read More]