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 […]
Colorado Wheat Disease Newsletter – May 23, 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 SUMMARY The recent rain across much of Colorado has favored development of fungal diseases. Additionally, the first report of plants testing positive for Wheat streak mosic virus and Triticum mosaic virus was collected from ARDEC. […]
Wheat Entomology Newsletter – May 15, 2023
Adam Osterholzer: adam.osterholzer@colostate.edu, 970-222-9568 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Website: www.csuwheatentomology.com Wheat Stem Sawfly We recorded our first sawfly capture of the season on May 8th at Orchard, CO. Two male sawflies were found in our sweeps ~10 miles south of Highway 14. Males typically emerge a few days prior to females. With the forecast […]
Colorado Wheat Disease Newsletter
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 Root Rot A root rot disease was found in a few fields in Kit Carson County in spotty areas (Figure 1). Root rot pathogens generally favor wet weather and mild soil temperatures for […]
Wheat Entomology Newsletter – May 1, 2023
Adam Osterholzer: adam.osterholzer@colostate.edu, 970-222-9568 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Introduction We are excited to begin our third 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, will help […]
Colorado Wheat Disease Newsletter
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 Common root rot A few fields have reported a small amount of common root rot. This disease is caused by a complex of several soil-borne fungi. Prolonged drought stress coupled with high soil […]
Colorado Wheat Disease Newsletter
Dr. Robyn Roberts Field Crops Pathologist and CSU Assistant Professor Robyn.Roberts@coloradostate.edu * 970-491-8239 *Email is the best way to reach me INTRODUCTION Welcome to the 2023 growing season! I am excited to bring you the newsletters again, which will come out every 2 weeks. If you have pathology concerns, please don’t hesitate to […]