• Combating corn tar spot

    Published on July 1, 2020

    MSU field crops pathologist Martin Chilvers examines management strategies, impacts for emerging plant disease

  • Tar spot symptoms

    Tar spot in the spotlight

    Published on July 1, 2020

    Learn more about corn tar spot and its recent history in Michigan, the 2020 outlook and management options.

  • Tar spot disease triangle

    Irrigation management to reduce cost and foliar disease

    Published on June 1, 2020

    Understanding the disease triangle, water management and leaf wetness influence on foliar disease, when to apply a fungicide, and a review of what we’ve learned so far on how to best manage tar spot.