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2023 Colorado Wheat Harvest Update

August 3, 2023 Multiple days of warm temperatures allowed harvest to progress across Eastern Colorado over the past week, but continued rain showers have slowed completion of harvest. As of today, we are calling Colorado’s 2023 wheat harvest roughly 85% complete. This is behind the five year average of 95%. This is shaping up to […]

Great Plains Sawfly Survey Project

There is currently a multi-state collaborative project taking place to determine areas of wheat stem sawfly infestation and current practices related to its mitigation on farm yields and profits. If you are the primary operator of a farm located in Colorado you are encouraged to complete this survey. Click here to learn more.

Colorado Wheat Stem Sawfly Survey

Researchers from the department of agricultural and resource economics at  Colorado State University are conducting a research study on the economic impact of Wheat Stem Sawfly in Colorado. The title of our project is Assessing the Economic Impacts of Wheat Stem Sawfly Populations on the Colorado Wheat Industry. If you are over 18 and a […]

Wheat Entomology Newsletter – June 26, 2023

Adam Osterholzer: adam.osterholzer@colostate.edu, 970-222-9568 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Grass sawfly We have not observed any grass sawfly larvae in our field surveys. This suggests that the larvae have matured and have dropped to the soil. They will form pupae in the soil in which they will remain until the following spring. We will monitor […]

Wheat Disease Newsletter – June 20, 2023

Dr. Robyn Roberts Field Crops Pathologist and CSU Assistant Professor Robyn.Roberts@colostate.edu* 970-491-8239 *Email is the best way to reach me Disease Observations Stripe rust Stripe rust has been spotted at low incidence and severity across much of Colorado’s wheat growing region (Figure 1). While the weather in Colorado has been conducive to stripe rust disease […]

Wheat Entomology Newsletter – June 12, 2023

Adam Osterholzer: adam.osterholzer@colostate.edu, 970-222-9568 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Wheat field days It was so great to see many of you during Wheat field days and to see the wheat crop looking so gorgeous! Thanks to Sally and her team, Colorado Wheat, and our growers for their support! New sawfly in wheat-grass! We are sorry […]

Wheat Disease Newsletter – June 7, 2023

Dr. Robyn Roberts Field Crops Pathologist and CSU Assistant Professor Robyn.Roberts@colostate.edu* 970-491-8239 *Email is the best way to reach me Thank you to all who attended the Colorado Wheat Field Days! We certainly lucked out with the weather, and it was great to see you all again. DISEASE OBSERVATIONS Stripe rust Stripe rust has been […]

Wheat Entomology Newsletter – May 30, 2023

Adam Osterholzer: adam.osterholzer@colostate.edu, 970-222-9568 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Wheat Stem Sawfly We have continued our sweeps twice per week at Orchard and New Raymer, CO. This month’s average catch has deviated significantly from what we observed throughout the month of May in previous years. For example, on May 17th, 2022, our average catch was […]