Colorado Wheat Outlook – May 27, 2022
Parts of Eastern Colorado (mostly south of I-70) saw some moisture over the last week – some of it in the form of rain and some of it in the form of heavy, wet snow. Temperatures did drop below freezing in several locations last weekend, so freeze damage is something we will keep an eye […]
Colorado Wheat Disease Newsletter – 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 in Sedgwick county have tested positive for both Wheat streak mosaic virus (WSMV) and Triticum […]
Colorado Wheat Outlook – May 20, 2022
Wheat conditions across Eastern Colorado are highly variable. Some wheat has started to head out. Freezing temperatures are in the forecast for the weekend, leading to concerns for potential freeze damage. Read the full report here.
Colorado Wheat Entomology Newsletter – 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 Zadoks 32. However, if there are not enough hosts, they may lay multiple eggs per […]
Colorado Wheat Outlook – May 13, 2022
Despite last week’s rain, the crop conditions basically remained unchanged this week. This further drives home the point that what remains of Colorado’s wheat crop is living on borrowed time. The rain last week did buy the crop some more time, but it is still going to need more rain as soon as possible. Read […]
Colorado Wheat Disease Newsletter – 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 Sedgwick county, but no stripe rust or other fungal diseases to report. Read the Full […]
Colorado Wheat Outlook – May 6, 2022
Overall crop condition worsened in this week’s NASS report. This was not surprising considering it had just experienced another week of high wind and high temperatures. However parts of Eastern Colorado received much needed rain later on in the week. Totals ranged anywhere from 0.20-2.50 inches according to CoCoRaHS. Read the Full Report Here
Colorado Wheat Entomology Newsletter – 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 County). The populations were above economic threshold levels. Low to moderate levels reported near Julesburg […]
Colorado Wheat Outlook – April 29, 2022
A good portion of Eastern Colorado is expected to see strong wind gusts (anywhere from 45-50 mph) and low humidity today. Some areas had thunderstorms on Wednesday, but very little rain actually made it to the ground. The “good” and “excellent” categories improved on Monday’s crop report, with “excellent” going from 0% to 1% and […]
Colorado Wheat Disease Newsletter – 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 volunteer wheat that likely contributed, since volunteer wheat can harbor the mite that spreads several […]