Wheat Pest and Disease Update

  • Wheat Entomology Newsletter – June 22, 2022

    June 22, 2022

    Dr. Erika Peirce: Erika.Peirce@colostate.edu, 661-607-1789 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Wheat Field Days We had a great time talking to everyone who attended wheat field days! Sadly, Erika and I came down with COVID and had to miss the field … Continue reading

  • Colorado Wheat Disease Newsletter

    June 21, 2022

    Dr. Robyn Roberts Field Crops Pathologist and CSU Assistant Professor Robyn.Roberts@colostate.edu* 970-491-8239; @RobynRobertsPhD (Twitter) *Email is the best way to reach me DISEASE OBSERVATIONS Mosaic virus symptom reports are on the rise. Importantly, viruses typically exist in a complex in … Continue reading

  • Colorado Wheat Disease Newsletter

    June 6, 2022

    Dr. Robyn Roberts Field Crops Pathologist and CSU Assistant Professor Robyn.Roberts@colostate.edu* 970-491-8239; @RobynRobertsPhD (Twitter) *Email is the best way to reach me DISEASE OBSERVATIONS Reports of mosaic virus symptoms have increased this past week, with moderate levels reported in symptomatic … Continue reading

  • Colorado Wheat Entomology Newsletter – May 31, 2022

    May 31, 2022

    Dr. Erika Peirce: Erika.Peirce@colostate.edu, 661-607-1789 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Wheat Stem Sawfly We are seeing high wheat stem sawfly pressure in our field sites at New Raymer. Here are some pictures of sawfly attack in New Raymer. Dr. Mason … Continue reading

  • Colorado Wheat Disease Newsletter – May 23, 2022

    May 23, 2022

    Dr. Robyn Roberts Field Crops Pathologist and CSU Assistant Professor Robyn.Roberts@colostate.edu* 970-491-8239; @RobynRobertsPhD (Twitter) *Email is the best way to reach me DISEASE OBSERVATIONS We have gotten a few reports of mosaic virus symptoms, and samples from three different locations … Continue reading

  • Colorado Wheat Entomology Newsletter – May 16, 2022

    May 16, 2022

    Dr. Erika Peirce: Erika.Peirce@colostate.edu, 661-607-1789 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Wheat Stem Sawfly Sawfly adults began to emerge in Weld and Morgan counties. Adult sawflies can only lay their eggs in wheat plants with a stem, which would be around … Continue reading