Wheat Pest and Disease Update

  • Colorado Wheat Disease Newsletter

    May 10, 2021

    Dr. Robyn Roberts Field Crops Pathologist and Assistant Professor Robyn.Roberts@colostate.edu* 970-491-8239; @RobynRobertsPhD (Twitter) *Email is the best way to reach me DISEASE OBSERVATIONS Tan spot (caused by the fungus Pyrenophora tritici-repentis) was observed in Prowers, Kiowa, Cheyenne, Kit Carson, Washington, … Continue reading

  • Wheat Entomology Newsletter

    May 3, 2021

    Darren Cockrell: Darren.Cockrell@colostate.edu, 630-649-4419 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu 785-383-4873 Russian Wheat Aphids Heavy infestations of Russian wheat aphids continue in southern part of the state and according to Kevin Larson at the Plainsman Research Center, many fields have been treated … Continue reading

  • Wheat Disease Update – April 26, 2021

    April 26, 2021

    Dr. Robyn Roberts Field Crops Pathologist and Assistant Professor Robyn.Roberts@colostate.edu* 970-491-8239; @RobynRobertsPhD (Twitter) *Email is the best way to reach me DISEASE OBSERVATIONS No disease observations have been made at this time. Not much has changed in drought or crop … Continue reading

  • Colorado Wheat Entomology Newsletter

    April 19, 2021

    Darren Cockrell: Darren.Cockrell@colostate.edu, 630-649-4419 Dr. Punya Nachappa: Punya.Nachappa@colostate.edu, 785-383-4873 Introduction Hello, this year we are starting a new Wheat Entomology Newsletter, led by Darren Cockrell, Research Associate and myself, Dr. Punya Nachappa, entomologist and Assistant Professor in the Department of … Continue reading

  • Wheat Disease Update – April 12, 2021

    April 12, 2021

    Dr. Robyn Roberts Field Crops Pathologist and Assistant Professor Robyn.Roberts@colostate.edu; 970-491-8239 Introduction Welcome to a new season of the Wheat Disease Newsletters! My name is Robyn Roberts and I joined Colorado State University in August 2020 as the new field … Continue reading

  • 2020 Colorado Wheat Disease Summary

    August 25, 2020

    Tessa Albrecht: tessa.albrecht@colostate.edu Punya Nachappa: punya.nachappa@colostate.edu Tan spot. Early in the season we had high incidence of tan spot in the lower canopy, but it did not persist into the upper canopy and severity was relatively low. Tan spot is … Continue reading