Recent News
Vegetable weed management research update
Thanks for a great audience at the WABA Ag Classic! Here’s the presentation as promised: Vegetable weed management research update – WI Ag Classic
2020 Processing Crops Conference presentations available online
With many thanks to the presenters and those that joined our recent virtual Processing Crops Conference, recordings of the presentations are now available online. The presentations this year include pest management, production and variety development …
Considerations in strawberry renovation weed management
Thanks to all that participated online in the Wisconsin/Minnesota Berry Clinic today. Here’s my short presentation on a framework for strawberry renovation weed management. Have a productive and safe harvest! Considerations in strawberry renovation weed …
- More Integrated Weed Management posts
Outreach publications that guide day-to-day decision making.
Pest Management Guides:
Commercial Vegetable Production in Wisconsin
Cranberry Pest Management in Wisconsin
Midwest Fruit Pest Management Guide
Pest Management in Wisconsin Field Crops
Herbicide Efficacy by Weed Species
Weed Identification Resources:
Weed ID tool
Minnesota Wildflowers non-cropland plant ID
Related Resources:
Integrated Pest and Crop Management, including Crop Manager newsletter
Vegetable weed management research update – WI Ag Classic
Considerations in strawberry renovation weed management
Potato weed management update – 2020
Alternatives to herbicides for apple production
How strawberry herbicides work in practical terms
2020 Vegetable weed management update
Pressures on pesticides – January 2020
2020 Cranberry weed management update
Carrot weed management: Great Lakes Expo 2018
Red beet weed management: Great Lakes Expo 2018
Potato weed management: Great Lakes Expo 2018
Weed Management in Strawberry: Minnesota Berry Growers Conference 2019
Wisconsin hop herbicide review-Wisconsin Hop Growers Annual Meeting 2018
Managing against herbicide resistance- Cranberry Pest Management Workshop 2019
Benefits and risks of reducing pesticide use- Cranberry Integrated Pest Management Workshop 2019
Wisconsin strawberry weed management update-Wisconsin Fresh Fruit and Vegetable Conference 2019
Carrot weed management without linuron-International Carrot Conference 2018
Determining impacts of weeds on cranberry yield and quality-NACREW 2019
Recent peer-reviewed journal and popular press articles:
Colquhoun, J., R. Rittmeyer and D. Heider. 2019. Carrot weed management programs without linuron herbicide. Weed Technol. (accepted; in press).
Price, J., J. Colquhoun, E. Silva, H. Rivedal, E. McKinney, P. Deming and J. Klink. 2019. Attitudes of American university campus dining customers towards sustainability-related food values. Renewable Agriculture and Food Systems (accepted; in press).
Lemke, M., J. Colquhoun, D. Heider and R. Rittmeyer. 2018. Alternative vine management programs for fresh market potatoes. Weed Technol. 32:633-641.
Hammer, D., D. Stoltenberg, J. Colquhoun and S. Conley. 2018. Has breeding improved soybean competitiveness with weeds? Weed Sci. 66:57-61.
Colquhoun, J., R. Rittmeyer and D. Heider. 2017. Tolerance and suppression of weeds varies among carrot varieties. Weed Technol. 31:897-902.
Colquhoun, J., D. Heider and R. Rittmeyer. 2017. Seed potato growth and yield as affected by mother plant exposure to herbicides. Weed Technol. 31:136-147.
Colquhoun, J., D. Heider and R. Rittmeyer. 2016. Evaluation of season-long weed control programs in red beets. Weed Tech. 30:898-909.
West, J., M. Ruark, A. Bussan, J. Colquhoun and E. Silva. 2016. Organic nutrient and weed management in organic sweet corn on loamy sand soil. Agronomy J. 108:1-12.
Bietila, E., E. Silva, A. Pfeiffer an J. Colquhoun. 2016. Fall-Sown Cover Crops as Mulches for Weed Suppression in Organic Small-Scale Diversified Vegetable Production. Renewable Agriculture and Food Systems 1-9.
Dewerff, R., S. Conley, J. Colquhoun and V. Davis. 2015. Weed control in soybean as influenced by residual herbicide use and glyphosate-application timing following different planting dates. Weed Tech. 29:71-81.
Want more detail? Visit our collection of applied research summaries:
Potato PPO Inhibitor Crop Safety Antigo 2019
Potato PPO Inhibitor Crop Safety Hancock 2019
Pumpkin-Squash Herbicide Efficacy Arlington 2019
Mint Herbicide Efficacy Endeavor 2019
Mint Herbicide Efficacy Janesville 2019
Pea Herbicide Efficacy Arlington 2019
Potato Herbicide Efficacy Hancock 2019
Potato Off-Target Herbicide Exposure Hancock 2018-2019
Dry Bulb Onion Herbicide Efficacy Arlington 2019
Dry Bulb Onion Herbicide Efficacy Randolph 2019
Leek Mineral Soil Herbicide Efficacy Arlington 2019
Leek Muck Soil Herbicide Efficacy Randolph 2019
Dry Bean Herbicide Efficacy Arlington 2019
Cabbage (Seeded) Crop Safety Hancock 2019
2018 Wisconsin Potato and Vegetable Weed Management Update