Wheat Pest and Disease Update

  • 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 →

  • Colorado Wheat Disease Newsletter – May 9, 2022

    May 9, 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 There is still little disease activity in Colorado. There are reports of mosaic virus-like symptoms from … Continue reading →

  • Colorado Wheat Entomology Newsletter – May 2, 2022

    May 2, 2022

    Dr. Erika Peirce: Erika.Peirce@colostate.edu, 661-607-1789 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Brown Wheat Mites Hot and dry conditions have worsened earlier reported brown wheat mite infestations. Multiple reports of heavy brown wheat mite populations near Arriba (Lincoln County) and Lamar (Prowers … Continue reading →

  • Colorado Wheat Disease Newsletter – April 25, 2022

    April 25, 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 There is one report of virus-like symptoms in Sedgwick County. A neighboring plot had lots of … Continue reading →

  • Colorado Wheat Entomology Newsletter – April 18

    April 18, 2022

    Dr. Erika Peirce: Erika.Peirce@colostate.edu, 661-607-1789 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Introduction Hello, this is our second year conducting the Wheat Entomology Newsletter, led by Dr. Punya Nachappa, entomologist and Associate Professor in the Department of Agricultural Biology (www.nachappalab.com) and Dr. … Continue reading →

  • Colorado Wheat Disease Newsletter

    April 11, 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 INTRODUCTION Welcome to a new season of the Wheat Disease Newsletters! My name is Robyn Roberts and I … Continue reading →