Ryegrass has moved from being an aggravation 10 years ago to a significant weed issue in our row crops. In wheat at this point, the yield loss caused by the […]
Tennessee Corn: Maturity Cutoffs for Herbicides May 20, 2022
How large can corn be before glyphosate could potentially cause injury? The glyphosate label states it can be applied up through the V8 corn growth stage.
Tennessee: UT Weed Tour, Jackson, June 15 May 17, 2022
The University of Tennessee Institute of Agriculture will host the annual Weed Tour on Wednesday, June 15 at the West Tennessee AgResearch and Education Center. The guided tour will feature […]
Mitigating Herbicide Mixing Issues May 12, 2022
There have been numerous reports of mixing issues when either Roundup PowerMax 3 or Gramoxone is added to the tank with residual herbicides like atrazine, Cotoran, Caparol, fomesafen or a […]
Results from our greenhouse screens of Palmer amaranth to Liberty has been very encouraging. We feared that the Liberty resistance documented in Arkansas had crossed the river. The good news […]
The call of the last week has been ryegrass and/or Poa escaping burndown in a number of fields that have been or will be planted to corn. In most cases […]
Tennessee: Poor Burndown Performance Apr 27, 2022
There have been a number of reports on disappointing burndown applications that were applied during that cold stretch, 3 to 4 weeks ago, when nighttime temperatures were in the 20s. […]
This spring some fields seem to be infested more heavily with wild garlic, grape hyacinth and in a few cases, star-of-Bethlehem. These three weeds, in the Lily family, are often […]
Tennessee Soybeans: Overlapping Residual Herbicides Mar 18, 2022
There will likely be more soybean acres in Tennessee in 2022 compared with last year. As such it will be more difficult to get POST applications applied timely. This is […]
Overlapping residual herbicides for Palmer amaranth control will be essential in 2022. There are two main reasons for this. First is the continued evolution of dicamba-resistant Palmer amaranth in Tennessee.