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Vegetable Disease Control Laboratory of Amanda J. Gevens
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  2. Year: 2026
  3. Month: January

Month: January 2026

Potato IPM “Back to Basics” video series now available

Posted on January 30, 2026

Instructional videos that can be used as a primer to learn about the basics of potato production, initially focusing on Integrated Pest Management (IPM) basics. Key aspects of insect, disease, and weed IPM programs are …

Posted in ResourcesTagged Amanda Gevens, Deana Knuteson, Jed Colquhoun, Russell Groves

Important update on Blocker fungicide in potato

Posted on January 6, 2026

The situation: In mid-December 2025, AMVAC Chemical Corporation, the manufacturers of the fungicide Blocker (pentachloronitrobenzene, PCNB), decided to stop producing Blocker 4F and 10G. In effect, this concludes production of Blocker for the future. The …

Posted in Newsletter

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  • Dr. Amanda J. Gevens
    689 Russell Laboratories
    1630 Linden Drive
    Department of Plant Pathology
    University of Wisconsin-Madison
    Madison, WI 53706 -1598
  • Email: gevens@wisc.edu
  • Phone: 608-890-3072
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