The University of Tennessee Soybean Disease Field Day will be held Tuesday, Sept. 13th, at the Milan Research and Education Center. Continue reading
11
Sep
2016
Category Archives: Diseases
07
Sep
2016
2016 Mid-South Cotton Defoliation Guide
07
Sep
2016
Tennessee’s 2016 cotton crop is rapidly maturing and many of our acres will receive the first shot of defoliant in the next week. There are many factors to consider in determining timing, products and rates. In an effort to outline these decisions and provide harvest aid recommendations for the Mid-South, the 2016 Mid-South Cotton Defoliation Guide has just been updated and is now available online. To access the guide, click the image above or the included link. Please keep in mind that this was compiled as a regional guide and should be used in conjunction with your previous experiences. Continue reading
03
Sep
2016
Target Spot and Boll Drop – The Knowns and Unknowns
03
Sep
2016
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
01
Sep
2016
Soybean Rust Detected in Middle Tennessee
01
Sep
2016
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
31
Aug
2016
Cotton turning . . . too soon?
31
Aug
2016
The call of the week (beyond target spot) has concerned cotton ‘turning’. In the dictionary of cotton rhetoric, ‘turning’ refers to the shift in canopy color from dark green to shades of yellow and red, or senescence, which usually coincides with the second or third week of football season. Over the past week, the crop has definitely made a turn towards finishing out the season . . . and kickoff for the first game is still a few days away. The general concern is this change has occurred much more rapidly and earlier than we would like. So are we looking at premature senescence and yield penalties? Continue reading
22
Aug
2016
18
Aug
2016
Soybean disease update and what you should know about fungicide combos
18
Aug
2016
In the past weeks soybeans have gotten into reproductive growth stages and diseases have started appearing as well as questions about making fungicides combinations. Continue reading
16
Aug
2016
Target spot in cotton – the knowns and unknowns
16
Aug
2016
Since the first report of target spot in cotton in Tennessee in 2013 it has been found in more fields and earlier in the season. This year in particular some have sprayed a fungicide to protect their cotton in Tennessee. Continue reading