• Weeds

    The Weed Science Program’s goal at MSU is to provide science-based research and extension information on integrated weed management in field crops.

  • Supply Chain Issues and Glyphosate: Building a Weed Control Program Around Herbicide Shortages

    Published on March 8, 2022

    Supply chain issues could prove problematic this growing season, leading to a potential shortage of herbicides. Join this session to learn more on ways to mitigate these issues and develop a weed control program even amid the shortages.

  • Weed Management Challenges that Lurk for 2020

    Published on February 24, 2020

    MSU Extension field crops weed specialist Dr. Christy Sprague covers several options on how to best manage problem weeds, such as horseweed (marestail) and waterhemp, as next season approaches. The 2019 field season is one that many of us would like to forget. High numbers of weed escapes and several unmanaged prevented plant acres will lead to greater weed management challenges as we head into the 2020 field season.

  • Early Season Weed Control for 2018

    Published on April 29, 2018

    The MSU Extension Field Crops Virtual Breakfast weekly topic for April 26, 2018, focused on early-season weed control, presented by Christy Sprague, MSU Extension weeds specialist.

  • Controlling Weeds in Soybeans

    Published on March 27, 2017

    MSU Extension Field Crops Webinar Series 2017 Session 2, 2/20/17 Title: Controlling Weeds in Soybeans, Presenter: Dr. Christy Sprague

  • Early Season Weed Control

    Published on April 8, 2021

    The MSU Extension Field Crops Virtual Breakfast weekly discussion for April 8, 2021, focuses on early season weed control, presented by Christy Sprague, MSU Extension weeds specialist.

  • Soybean Virtual Field Day - Christy Sprague

    Published on August 26, 2020

    Christy Sprague, a professor in PSM and MSU Extension weed specialist, and Justine Fisher, a graduate student: Herbicide-resistant horseweed (marestail) continues to be a major issue for Michigan soybean farmers. Learn about the latest research on integrated strategies to manage horseweed with cover crops, soybean row widths and herbicides.

  • Field Crops Webinar - Weed Management - Sprague Hager

    Published on February 7, 2022

    A team of two weed science specialists will address the topic of ‘Weed Management in 2022 – Herbicide Availability and Alternative Effective Options’ in this 1-hour, on-line, evening session

  • Q&A - Herbicide Resistant Weed Control in Soybeans

    In this video, Dr. Christy Sprague, a weed scientist at Michigan State University, discusses control options available to soybean farmers to help manage herbicide resistant weeds in Michigan.

  • Postemergence Weed Control Options

    Published on April 27, 2023

    The Michigan State University Extension Field Crops Virtual Breakfast Series features Erin Burns, MSU Extension weed specialist, on postemergence weed control options.

  • Early Season Weed Control

    Published on March 30, 2023

    The Michigan State University Extension Field Crops Virtual Breakfast Series features Christy Sprague, MSU weed scientist, on early season weed control.

  • 2019 Field Day - Roughstalk Bluegrass Control Field Stop

    Dr. Christy Sprague talks about the new weed species popping up in Michigan wheat: Roughstalk bluegrass and how to control it. Grassy weeds, including the perennial roughstalk bluegrass, cheat and cheatgrass, and common windgrass, are relatively new wheat problems. At the Michigan Wheat Program's 2019 Summer Field Day.

  • Harvesting Weed Seeds

    Published on August 29, 2019

    The MSU Extension Field Crops Virtual Breakfast weekly topic for August 29, 2019, focused on harvesting weed seeds, presented by Erin Hill, MSU weeds diagnostician.

  • Fall Weed Control Options

    Published on September 21, 2023

    The Michigan State University Extension Field Crops Virtual Breakfast Series features Christy Sprague, MSU weed scientist, discussing fall weed control options.

  • Early Season Weed Control – Options with Product Shortages

    Published on March 31, 2022

    The MSU Extension Field Crops Virtual Breakfast on March 31, 2022, focuses on early season weed control with a focus on product shortages, presented by Christy Sprague, MSU Extension weeds specialist.

  • Apps for Weed and Plant Identification

    Published on April 28, 2022

    The MSU Extension Field Crops Virtual Breakfast on April 28, 2022, focuses on apps for weed and plant identification, presented by Erin Hill, MSU weed science diagnostician.

  • Viticulture Virtual Field Day: Sushila Chaudhari

    Published on August 3, 2020

    Sushila Chaudhari talks about herbicides for weed management and crop safety.

  • Postemergence Weed Control

    Published on May 5, 2022

    The MSU Extension Field Crops Virtual Breakfast on May 5, 2022, focuses on postemergence weed control, presented by Erin Burns, MSU weeds scientist.

  • Alfalfa Pest and Crop Management Session

    Published on February 16, 2021

    MI Ag Ideas to Grow With 2021 - Field Crops Session: Forages are an important crop for livestock producers and an important cash crop on many farms. We have seen an increase in pest and weed issues in alfalfa and mixed species forage production. Pests such as potato leafhopper and alfalfa weevil have become bigger problems. Growers are looking to protect their stands and reduce the impact of weeds for better hay quality and returns. Michigan State University Extension Educator Phil Kaatz will talk about management strategies to address these and other issues. He will also visit about what types of grass species may be best for yields and palatability for the horse market. Please be aware this is a partial recording and the beginning is missing.

  • Early Season Weed Control for 2019

    Published on April 25, 2019

    The MSU Extension Field Crops Virtual Breakfast weekly topic for April 25, 2019, focused on early-season weed control, presented by Christy Sprague, MSU Extension weeds specialist.