News & Events
Wheat Pest and Disease Update
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CSU Will Survey Fields This Spring for Wheatstem Sawfly
March 6, 2012
The wheat stem sawfly, Cephus cinctus Norton, has been one of the most important pests of wheat in the northern Great Plains for more than 100 years. The sawfly originally attacked spring wheat, however, by the mid-1980’s, damage to winter … Continue reading
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Wheat Stem Sawfly Found In Colorado
July 1, 2011
Wheat Stem Sawfly Found Infesting Wheat in Northeastern Colorado The wheat stem sawfly, long considered a severe pest of wheat in Montana and North Dakota, was found infesting wheat along Highway 14 in Weld County in 2010 and again in … Continue reading
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Wheat Disease Update
June 20, 2011
by Ned Tisserat There are now reports filtering in from northeastern Colorado of both leaf rust and stripe rust. The amount of rust in the fields, for the most part, is at a very low level. These infections probably were … Continue reading
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Northeastern Colorado Pest Update
June 20, 2011
What’s bugging you? by Assefa Gebre-Amlak, Extension Specialist, Colorado State University Extension Grasshoppers: we are seeing some nymphs (immature grasshoppers) in Northeastern Colorado but the populations are much smaller than the economic threshold for the pest. USDA APHIS counts this … Continue reading
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Wheat Disease Update, June 3, 2011
June 3, 2011
The wet, cool weather most of the eastern part of the state experienced the past week or more was very conducive to stripe rust development. Yet, I still have not had any confirmation of stripe rust in the state. However, … Continue reading
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Wheat Disease Update, May 20, 2011
May 20, 2011
From Ned Tisserat, Extension Specialist and Professor CSU Bioagricultural Sciences and Pest Management The wet cool weather over most of the eastern part of Colorado slowed crop development. I have had reports of some barley yellow dwarf and some dryland … Continue reading
