Trying to decide whether or not to spray fungicide on your corn? First, you should scout for diseases and consider your disease risk. Southern rust has been reported in TX, MS, AL, AR, GA, and FL and with the tropical storm there is a good chance spores have been blown in to TN and the wet, overcast weather provides the perfect environment for disease development. Continue reading
All posts by Heather Marie Kelly, Extension Plant Pathologist
Wheat Disease Update – April 13, 2017
Additional reports of stripe rust have been coming in across west Tennessee as many fields begin to bloom. Decisions to apply a fungicide to protect not only from stripe rust but also head scab need to be made. Continue reading
Fungicide considerations and disease identification in wheat
While I have not heard of any reports of major diseases in wheat in Tennessee, I won’t be surprised if that changes over the next couple of weeks. To better guide fungicide decisions, one first needs to correctly identify what disease they are trying to manage. Resources on both disease identification and fungicide selection can be found on the new, mobile-friendly field guide at guide.utcrop.com. Continue reading
Searchable Soybean Cultivar Database Online
Getting ready to plan for next season? Make sure to check out the searchable database containing UT disease ratings and yields from 2013-2015 cultivar summaries, and soon to include 2016 data, at search.utcrops.com Continue reading
A year for disease – soybean diseases at higher levels
While the earliest planted and maturity soybeans are drying down and being harvested many later planted and maturity soybeans are exhibiting multiple diseases and some pre-mature defoliation may be occurring due to diseases. Continue reading
Reminder: UT Soybean Disease Field Day (Sept. 13)
The University of Tennessee Soybean Disease Field Day will be held Tuesday, Sept. 13th, at the Milan Research and Education Center. Continue reading
Target Spot and Boll Drop – The Knowns and Unknowns
Authored by Heather M. Kelly, Extension Plant Pathologist and Tyson Raper, Cotton and Small Grains Specialist
The abnormally warm and wet conditions in the Mid-South during August have contributed to the highest level of target spot-driven defoliation in commercial fields to date. Still, the majority of Tennessee’s cotton will not see a yield penalty from the disease due to a late onset and very low levels of defoliation. Continue reading
Soybean Rust Detected in Middle Tennessee
A sample from the soybean sentinel plot in Coffee County collected August 29th contained very low levels of soybean rust. Late planted soybeans in the area are at risk and would benefit from a fungicide application. Continue reading