Wheat Entomology Newsletter
Request For Crop Rotation Field Sites: CWRF-funded research projectAs part of our CWRF-funded research, we are studying the impacts of crop rotations on sawfly infestations, and we need more field sites! If you are interested in participating, please contact Adam about your rotation history and our team will come to sample your fields. Adam Osterholzer: […]
Colorado Wheat Disease Newsletter
Summary: Low levels of stripe rust was detected in Colorado, along with moderate levels of bacterial and viral diseases. 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 RustStripe rust was found in Kit Carson and Yuma counties at very low levels […]
Colorado Wheat Disease Newsletter
Summary: TriMV was detected in Colorado. Watch for stripe rust, viruses, fusarium head blight, root and crown rots, and fungal leaf diseases. *Addendum: My group detected bacterial leaf streak disease in samples from Southeastern Colorado today. While this has not been a major problem in Colorado in the past, the disease has been re-emerging and […]
Wheat Entomology Newsletter
Adam Osterholzer: adam.osterholzer@colostate.edu, 970-222-9568Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873Visit our website at: https://www.csuwheatentomology.com/. Request For Crop Rotation Field Sites: CWRF-funded research projectAs part of our CWRF-funded research, we are studying the impacts of crop rotations on sawfly infestations, and we need more field sites! If you are interested in participating, please contact Adam about your rotation […]
Wheat Entomology Newsletter
We are excited to begin our fourth year conducting the Wheat Entomology Newsletter! Our team is led by Dr. Punya Nachappa, entomologist and Associate Professor in the Department of Agricultural Biology (www.nachappalab.com). Adam Osterholzer, our Research Associate in the CSU Wheat Entomology Program. We welcome wheat pest questions from growers, please don’t hesitate to reach […]
2023 Colorado Wheat Stem Sawfly Survey Report
Research Assistant Authors: Ashley Raffa, Anne Sellman, Johanna Merkel, Zhi Mei Maria Lee, Ella Stankiewicz Adam Osterholzer: adam.osterholzer@colostate.edu, 970-222-9568 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Colorado state-wide wheat stem sawfly survey The CSU Wheat Entomology Program, with the support of Colorado Wheat, conducts an extensive annual state-wide survey for wheat stem sawflies. For over a decade, […]
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 […]